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Index: P

• command (debugger)
• • Perl tutorial, Chapter 6, Reference: p
  • Perl Developing, 8.1.1. Debugger Commands
• -p file test operator
• • Learning Perl, 10.5. The -x File Tests
  • Perl tutorial, 4.5.8. File Test Operators
  • Perl Developing, 2.5.10. Named Unary and File Test Operators
• -p option (dprofpp) : Perl tutorial, 6.5. The Perl Profiler
• -p switch, perl
• • Perl tutorial, 7.7. Writing a Filter
  • Learning Perl, 17.5. Variable-Length (Text) Databases
  • Perl tutorial, 3.2. Command-Line Options
  • Perl Developing, 6.1.2. Switches
  • modifying files with : Perl tutorial, 7.9. Modifying a File in Place with -i Switch
• -P switch, perl
• • Perl tutorial, 3.2. Command-Line Options
  • Perl Developing, 6.1.2. Switches
• pack()
• • Advanced Perl Developing, 14.2. Starting with Perl/Tk
  • Advanced Perl Developing, 14.4.1. Packer
  • Perl tutorial, 1.4. Converting Between ASCII Characters and Values
  • Perl tutorial, 8.13. Updating a Random-Access File
  • Learning Perl, 16.2. Packing and Unpacking Binary Data
  • Perl tutorial, Chapter 5, Reference: pack
  • Perl tutorial, Chapter 14, Reference: pack
  • Perl Developing, 3.2.105. pack
  • converting binary and decimal numbers : Perl tutorial, 2.4. Converting Between Binary and Decimal
  • examples of : Learning Perl, 17.4. Fixed-Length Random Access Databases
  • with Tk resize events : Perl tutorial, 15.16. Responding to Tk Resize Events
• pack format string : Learning Perl, 16.2. Packing and Unpacking Binary Data
• pack geometry manager (Perl/Tk) : Perl tutorial, 18.2. Geometry Managers
• package() : Perl tutorial, Chapter 5, Reference: package
• __PACKAGE__ token
• • Perl tutorial, 10.4. Determining Current Function Name
  • Perl tutorial, 12.5. Determining the Caller's Package
  • Perl tutorial, 4.4.4. Global Special Constants
• package declaration
• • Advanced Perl Developing, 6.1. Basic Package
  • Perl tutorial, 12.0. Introduction
  • Perl tutorial, 7.1. Namespaces and Packages
  • Perl Developing, 3.2.106. package
  • Perl Developing, 5.1. Packages
• package variables : (see global, variables)
• packages
• • (see also modules, Perl)
  • Perl tutorial, 12.0. Introduction
  • Perl tutorial, 12.19. Program: Finding Versions and Descriptions of Installed Modules
  • Learning Perl on Win32 Systems, B.1. Library Terminology
  • Learning Perl on Win32 Systems, D.9. Packages
  • Perl tutorial, 7.1. Namespaces and Packages
  • Perl Developing, 5. Packages, Modules, and Object Classes
  • Perl Developing, 5.1.3. Autoloading
  • Perl Developing, 7. The Standard Perl Library
  • BEGIN and END subentries : Perl Developing, 5.1.2. Package Constructors and Destructors: BEGIN and END
  • blessing objects into : Perl Developing, 3.2.9. bless
  • declaring
  • • Perl Developing, 2.6.8. Scoped Declarations
    • Perl Developing, 3.2.106. package
  • determining current/calling : Perl tutorial, 12.5. Determining the Caller's Package
  • importing semantics to : Perl Developing, 3.2.185. use
  • names for : Perl Developing, 8.4. Developing with Style
  • overriding built-in functions : Perl tutorial, 12.11. Overriding Built-In Functions
  • private variables and functions : Perl tutorial, 12.4. Making Variables Private to a Module
  • referring to indirectly : Perl tutorial, 12.13. Referring to Packages Indirectly
  • tying/binding variables to
  • • Perl Developing, 3.2.171. tie
    • Perl Developing, 3.2.184. untie
• packed sockaddr : Perl Developing, 3.2.54. getpeername
• packer geometry manager : Advanced Perl Developing, 14.4.1. Packer
• packet-oriented communication : Perl tutorial, 13. Sockets
• packForget() (pack geometry manager) : Perl tutorial, 18.2.1.1. Pack methods
• packInfo() (pack geometry manager) : Perl tutorial, 18.2.1.1. Pack methods
• packPropogate() (pack geometry manager) : Perl tutorial, 18.2.1.1. Pack methods
• packSlaves() (pack geometry manager) : Perl tutorial, 18.2.1.1. Pack methods
• padlists : Advanced Perl Developing, 20.3.5.2. How local and my work
• -padx, -pady options : Perl tutorial, 18.3. Common Widget Configuration Options
• • grid geometry manager : Perl tutorial, 18.2.2. The grid Geometry Manager
  • pack geometry manager : Perl tutorial, 18.2.1. The pack Geometry Manager
• page length
• • changing, in formats : Learning Perl, 11.6.4. Changing the Page Length
  • default, for top-of-page format : Learning Perl, 11.5. The Top-of-Page Format
• page numbers : Perl Developing, 2.9.2. Per-Filehandle Special Variables
• page position, changing, in formats : Learning Perl, 11.6.5. Changing the Position on the Page
• pages : Perl Developing, 2.9.2. Per-Filehandle Special Variables
• pairs, key/value : (see hashes (associative arrays))
• paragraph mode
• • Perl Developing, 2.9.3. Global Special Variables
  • Perl Developing, 6.1.2. Switches
• paragraph tags (pod) : Perl tutorial, 4.11.1. Paragraph tags
• paragraphs
• • counting in files : Perl tutorial, 8.2. Counting Lines (or Paragraphs or Records) in a File
  • in pod documentation : Perl tutorial, 12.16. Documenting Your Module with Pod
  • reading files backwards by : Perl tutorial, 8.4. Reading a File Backwards by Line or Paragraph
  • reformatting : Perl tutorial, 1.12. Reformatting Paragraphs
  • wrapping text into : Perl Developing, 7.2.71. Text::Wrap - Wrap Text into a Paragraph
• paragrep program (example) : Perl tutorial, 6.11. Testing for a Valid Pattern
• param()
• • Learning Perl, 19.4. Passing Parameters via CGI
  • Learning Perl, 19.7. Other Form Elements
  • Perl tutorial, Chapter 10, Reference: param
  • Perl tutorial, 10. The CGI.pm Module
• parameterized HTML : Perl tutorial, 20.9. Creating HTML Templates
• parameters
• • Learning Perl, 1.5.9. Making It a Bit More Modular
  • Learning Perl on Win32 Systems, 1.6.9. Making It a Bit More Modular
  • passing via CGI : Learning Perl, 19.4. Passing Parameters via CGI
  • passing with typeglobs : Advanced Perl Developing, 3.2.2.1. Efficient parameter passing
  • SWIG and : Advanced Perl Developing, 18.3. SWIG Features
  • XS and : Advanced Perl Developing, 18.4.2. Default and Optional Parameters
• params() (URI::URL) : Perl tutorial, Chapter 17, Reference: params
• parent() (HTML::Parser) : Perl tutorial, Chapter 17, Reference: parent
• parent classes : Perl Developing, 5.3.1. Brief Refresher on Object-Oriented Developing
• • accessing overridden methods : Perl tutorial, 13.10. Accessing Overridden Methods
  • cloning objects : Perl tutorial, 13.6. Cloning Objects
  • inheritance and : Perl tutorial, 13.12. Solving the Data Inheritance Problem
• parent processes
• • (see also processes)
  • Learning Perl, 14.4. Using fork
• parentheses : (see () (parentheses))
• parse()
• • HTML::Parser module : Perl tutorial, Chapter 17, Reference: parse
  • Mail::Address module : Perl tutorial, Chapter 14, Reference: parse
• parse_csv subroutines : Perl tutorial, 1.15. Parsing Comma-Separated Data
• parse_file() (HTML::Parser) : Perl tutorial, Chapter 17, Reference: parse_file
• parse file specifications : Perl Developing, 7.2.27. File::Basename - Parse File Specifications
• parse_head() (LWP::UserAgent) : Perl tutorial, Chapter 17, Reference: parse_head
• parse_query function : Advanced Perl Developing, 11.3.1.3. Query processing
• ParseDate()
• • Perl tutorial, 3.7. Parsing Dates and Times from Strings
  • Perl tutorial, 3.11. Program: hopdelta
• parser, template : Advanced Perl Developing, 17.4.2. Template Parser
• ParseWords module : Perl Developing, 7.2.68. Text::ParseWords - Parse Text into a List of Tokens
• parsing
• • comma-separated data : Perl tutorial, 1.15. Parsing Comma-Separated Data
  • command-line arguments
  • • Perl tutorial, 15.1. Parsing Program Arguments
    • Perl tutorial, 3.2. Command-Line Options
  • commas into numbers : Perl tutorial, 2.17. Putting Commas in Numbers
  • datetime from strings : Perl tutorial, 3.7. Parsing Dates and Times from Strings
  • email addresses : Perl tutorial, 14.2.6. Parse Email Addresses with Mail::Address
  • filenames : Perl tutorial, 9.10. Splitting a Filename into Its Component Parts
  • HTML tags : Perl tutorial, 20.6. Extracting or Removing HTML Tags
  • input specification
  • • Advanced Perl Developing, 17.2. Jeeves Example
    • Advanced Perl Developing, 17.3.1. Advantages of This Architecture
    • example of : Advanced Perl Developing, 17.5. Sample Specification Parser
  • web server log file : Perl tutorial, 20.12. Parsing a Web Server Log File
• partial URLs : Perl tutorial, 19.0. Introduction
• Pass() (Mail::POP3Client) : Perl tutorial, Chapter 14, Reference: Pass
• pass() (Net::POP3)
• • Perl tutorial, Chapter 14, Reference: pass
  • Perl tutorial, 14.1.3. Retrieving Email with Net::POP3
• PASS command (POP3) : Perl tutorial, 14.1.3. Retrieving Email with Net::POP3
• "passes-the-buck-to" relationship : Perl Developing, 5.5.11. Delegation (the "Passes-the-Buck-to" Relationship)
• passing
• • arguments to subroutines : Perl tutorial, 4.7.2. Passing Arguments
  • by named parameter : Perl tutorial, 10.7. Passing by Named Parameter
  • by reference : Perl tutorial, 10.5. Passing Arrays and Hashes by Reference
  • references : Perl Developing, 2.7.2. Passing References
  • symbol table entries
  • • Perl tutorial, 4.7.3. Passing References
    • Perl Developing, 2.7.1. Passing Symbol Table Entries (Typeglobs)
• passwd file : (see /etc/passwd file)
• password()
• • Net::Netrc module : Perl tutorial, Chapter 16, Reference: password
  • URI::URL module : Perl tutorial, Chapter 17, Reference: password
• Password() (Win32::Internet) : Perl tutorial, Chapter 19, Reference: Password
• password entries (.netrc) : Perl tutorial, 16.3. FTP Configuration with Net::Netrc
• password file
• • accessing
  • • Learning Perl, 7.7. Exercises
    • Learning Perl, 16.1. Getting Password and Group Information
  • random access in : Learning Perl, 16.1. Getting Password and Group Information
  • reading from, example : Learning Perl, 10.4. Using Filehandles
  • sequential access to : Learning Perl, 16.1. Getting Password and Group Information
• password_field() (CGI.pm) : Perl tutorial, Chapter 10, Reference: password_field
• passwords
• • Perl Developing, 3.2.22. crypt
  • Perl Developing, 3.2.158. srand
  • randomly generating : Perl tutorial, 2.7. Generating Random Numbers
  • reading without echo : Perl tutorial, 15.10. Reading Passwords
• pasv() (Net::FTP) : Perl tutorial, Chapter 16, Reference: pasv
• Pasv() (Win32::Internet) : Perl tutorial, Chapter 19, Reference: Pasv
• pasv_wait() (Net::FTP) : Perl tutorial, Chapter 16, Reference: pasv_wait
• pasv_xfer() (Net::FTP) : Perl tutorial, Chapter 16, Reference: pasv_xfer
• pasv_xfer_unique() (Net::FTP) : Perl tutorial, Chapter 16, Reference: pasv_xfer_unique
• patches for Perl source code
• • Perl tutorial, 2.3.1.2. Patches
  • Perl Developing, 8.5.3. Patches
• path()
• • Mail::Address module : Perl tutorial, Chapter 14, Reference: path
  • URI::URL module : Perl tutorial, Chapter 17, Reference: path
• path delimiter : Learning Perl on Win32 Systems, 10.3. Using Pathnames and Filenames
• PATH environment variable
• • Learning Perl, 14.1. Using system and exec
  • Perl tutorial, 3.3. Environment Variables
  • Perl Developing, 6.1.2. Switches
  • Perl Developing, 6.3.1.2. Cleaning up your path
  • searching for scripts using : Perl tutorial, 3.2. Command-Line Options
• Path module : Perl Developing, 7.2.31. File::Path - Create or Remove a Series of Directories
• Path property (response cookies) : Perl tutorial, 20.2.2.1. Setting cookies
• path_info() (CGI.pm) : Perl tutorial, Chapter 10, Reference: path_info
• PATH_INFO variable
• • Perl tutorial, 9.3. Extra Path Information
  • Perl tutorial, 9.4. CGI Environment Variables
• path_translated() (CGI.pm) : Perl tutorial, Chapter 10, Reference: path_translated
• PATH_TRANSLATED variable
• • Perl tutorial, 9.3. Extra Path Information
  • Perl tutorial, 9.4. CGI Environment Variables
• PATHEXT variable : Perl tutorial, 3.3. Environment Variables
• pathnames
• • Learning Perl on Win32 Systems, 2.3.2. Double-Quoted Strings
  • Learning Perl on Win32 Systems, 10.3. Using Pathnames and Filenames
  • current working directory : Perl Developing, 7.2.7. Cwd - Get Pathname of Current Working Directory
• Pathologically Eclectic Rubbish Lister : Learning Perl, 1.1. History of Perl
• paths : Perl tutorial, 19.0. Introduction
• pattern matching
• • (see also regular expressions)
  • Perl tutorial, 1.16. Soundex Matching
  • Perl tutorial, 6.0. Introduction
  • abbreviations : Perl tutorial, 6.20. Matching Abbreviations
  • across multiple lines : Perl tutorial, 6.6. Matching Multiple Lines
  • backtracking : Perl tutorial, 6.0. Introduction
  • copying and substituting : Perl tutorial, 6.1. Copying and Substituting Simultaneously
  • duplicate words : Perl tutorial, 6.16. Detecting Duplicate Words
  • eager : Perl tutorial, 6.0. Introduction
  • email addresses : Perl tutorial, 6.19. Matching a Valid Mail Address
  • extracting ranges of lines : Perl tutorial, 6.8. Extracting a Range of Lines
  • filenames : Perl tutorial, 9.6. Globbing, or Getting a List of Filenames Matching a Pattern
  • functions for : Perl tutorial, 5.1. Perl Functions by Category
  • fuzzy matching : Perl tutorial, 6.13. Approximate Matching
  • greedy vs. non-greedy
  • • Perl tutorial, 6.0. Introduction
    • Perl tutorial, 6.15. Greedy and Non-Greedy Matches
  • history.db file : Perl tutorial, 14.11. Program: ggh&nbsp- Grep Netscape Global History
  • honoring locale settings : Perl tutorial, 6.12. Honoring Locale Settings in Regular Expressions
  • logical functionality in : Perl tutorial, 6.17. Expressing AND, OR, and NOT in a Single Pattern
  • matching letters : Perl tutorial, 6.2. Matching Letters
  • matching words : Perl tutorial, 6.3. Matching Words
  • modifiers for : Perl tutorial, 6.0. Introduction
  • multiple-byte charactrs : Perl tutorial, 6.18. Matching Multiple-Byte Characters
  • Nth matches : Perl tutorial, 6.5. Finding the Nth Occurrence of a Match
  • operators for
  • • Perl tutorial, 4.5.7. Pattern Match Operators
    • Perl tutorial, 4.6.1. Pattern-Matching Operators
    • Perl Developing, 1.7. Regular Expressions
  • progressive (with /g) : Perl tutorial, 6.5. Finding the Nth Occurrence of a Match
  • shell wildcards for : Perl tutorial, 6.9. Matching Shell Globs as Regular Expressions
  • tcgrep program : Perl tutorial, 6.22. Program: tcgrep
  • testing for invalid patterns : Perl tutorial, 6.11. Testing for a Valid Pattern
  • urlify program : Perl tutorial, 6.21. Program: urlify
  • useful and interesting patterns (list) : Perl tutorial, 6.23. Regular Expression Grabbag
  • using /o modifier : Perl tutorial, 6.10. Speeding Up Interpolated Matches
  • where last pattern ended : Perl tutorial, 6.14. Matching from Where the Last Pattern Left Off
• pattern separators, reading data with : Perl tutorial, 6.7. Reading Records with a Pattern Separator
• patterns
• • (see also m// (match) operator)
  • (see also m?? (match) operator)
  • (see also pattern matching)
  • (see also regular expressions)
  • Perl Developing, 1.7. Regular Expressions
  • Perl Developing, 2.4. Pattern Matching
  • Perl Developing, 3.2.1. /PATTERN/
  • delimiter besides slash : Learning Perl, 7.4.3. Using a Different Delimiter
  • embedded modifiers for : Perl Developing, 2.4.1.4. Regular expression extensions
  • example of pattern matching : Advanced Perl Developing, 5.5.1. A Fast Multipattern grep
  • greedy matching
  • • Perl Developing, 1.7.1. Quantifiers
    • Perl Developing, 2.4.1.2. The rules of regular expression matching
  • matching precedence : Perl Developing, 2.4.1.2. The rules of regular expression matching
  • minimal matching : Perl Developing, 1.7.2. Minimal Matching
  • quantifiers : Perl Developing, 2.4.1.2. The rules of regular expression matching
  • special variables for matching : Perl Developing, 2.9.1. Regular Expression Special Variables
  • split() and : Perl Developing, 3.2.155. split
  • study() : Perl Developing, 3.2.160. study
  • for untainting data : Perl Developing, 6.3.1.1. Detecting and laundering tainted data
• PauseService() (Win32::Service) : Perl tutorial, Chapter 19, Reference: PauseService
• pausing scripts : Perl Developing, 3.2.150. sleep
• PDL module
• • Advanced Perl Developing, 2.2. Example: Matrices
  • Perl tutorial, 2.14. Multiplying Matrices
• Peek module
• • Advanced Perl Developing, 20.1. Reading the Source
  • Advanced Perl Developing, 20.3.1.2. Inside SVs
• PeekInput() (Win32::Console) : Perl tutorial, Chapter 19, Reference: PeekInput
• peephole optimizer : Advanced Perl Developing, 20.2.2.2. Compilation and code generation stages
• Peer option (IO::Socket::UNIX) : Perl tutorial, 13.2.5. IO::Socket::UNIX Reference
• peeraddr() (IO::Socket::INET) : Perl tutorial, Chapter 13, Reference: peeraddr
• PeerAddr option (IO::Socket::INET) : Perl tutorial, 13.2.4. IO::Socket::INET Reference
• peerhost() (IO::Socket::INET) : Perl tutorial, Chapter 13, Reference: peerhost
• peerpath() (IO::Socket::UNIX) : Perl tutorial, Chapter 13, Reference: peerpath
• peerport() (IO::Socket::INET) : Perl tutorial, Chapter 13, Reference: peerport
• PeerPort option (IO::Socket::INET) : Perl tutorial, 13.2.4. IO::Socket::INET Reference
• Penguin module : Perl Developing, 6.3.2.2. Penguin
• percent sign (%) : (see % (percent sign))
• performance
• • Perl Developing, 8.3. Efficiency
  • Perl Developing, Perl tutorial
  • CGI scripts
  • • Perl tutorial, 9. CGI Overview
    • Perl tutorial, 11.4. Running CGI Scripts with mod_perl
  • efficient attribute storage : Advanced Perl Developing, 8.1. Efficient Attribute Storage
  • eval function to improve : Advanced Perl Developing, 5.5. Using Eval for Efficiency
  • measuring : Perl Developing, 3.2.174. times
  • memory management
  • • Advanced Perl Developing, 1.6. A View of the Internals
    • Advanced Perl Developing, 20.5.6. Memory Management Using XS
  • references and : Advanced Perl Developing, 1.2.2. Performance Efficiency
  • typeglob aliases and : Advanced Perl Developing, 3.2.2. Using Typeglob Aliases
• period : (see (dot))
• Perl
• • (see also modules, Perl)
  • (see also scripts, Perl)
  • Advanced Perl Developing, The Perl Interpreter
  • Learning Perl, 11.1. What Is a Format?
  • Learning Perl, 19.10. Perl and the Web: Beyond CGI Developing
  • Learning Perl on Win32 Systems, 11.1. What Is a Format?
  • Perl tutorial, 3. The Perl Interpreter
  • Perl Developing, 1.3.1. How to Do It
  • advantages and uses
  • • Advanced Perl Developing, Why Perl?
    • Perl tutorial, 1.1. What's Perl Good For?
  • API for : Advanced Perl Developing, 19.2. Embedding Overview
  • architecture : Advanced Perl Developing, 20.2. Architecture
  • bugs in, reporting : Perl tutorial, 6.6. The perlbug Program
  • CGI developing : (see CGI programs)
  • code generation : Advanced Perl Developing, 17.1. On Code Generation
  • command processing : Perl tutorial, 3.1. Command Processing
  • command-line options
  • • Perl tutorial, 3.2. Command-Line Options
    • Perl Developing, 6.1.2. Switches
    • -- switch : Perl Developing, 6.1.2. Switches
    • -0 switch : Perl Developing, 6.1.2. Switches
    • -a switch
    • • Perl Developing, 2.9.4. Global Special Arrays
      • Perl Developing, 6.1.2. Switches
    • -c switch : Perl Developing, 6.1.2. Switches
    • -d switch
    • • Perl Developing, 6.1.2. Switches
      • Perl Developing, 8.1. The Perl Debugger
      • Perl Developing, 8.1.8. Alternative Debuggers: The Perl Profiler
    • -D switch : Perl Developing, 6.1.2. Switches
    • -e switch
    • • Perl Developing, 1.3.1. How to Do It
      • Perl Developing, 6.1.2. Switches
    • -F switch : Perl Developing, 6.1.2. Switches
    • -h switch : Perl Developing, 6.1.2. Switches
    • -i switch : Perl Developing, 6.1.2. Switches
    • -I switch : Perl Developing, 6.1.2. Switches
    • -l switch : Perl Developing, 6.1.2. Switches
    • -m switch : Perl Developing, 6.1.2. Switches
    • -M switch : Perl Developing, 6.1.2. Switches
    • -n switch : Perl Developing, 6.1.2. Switches
    • -p switch : Perl Developing, 6.1.2. Switches
    • -P switch : Perl Developing, 6.1.2. Switches
    • -s switch : Perl Developing, 6.1.2. Switches
    • -S switch
    • • Perl Developing, 6.1.2. Switches
      • Perl Developing, 6.2.4.2. UNIX-domain clients and servers
    • sticky bit : Perl Developing, 8.3.1. Time Efficiency
    • -T switch
    • • Perl Developing, 6.1.2. Switches
      • Perl Developing, 6.2.4.1. Internet TCP clients and servers
      • Perl Developing, 6.3.1. Handling Insecure Data
    • -u switch : Perl Developing, 6.1.2. Switches
    • -U switch : Perl Developing, 6.1.2. Switches
    • -v switch : Perl Developing, 6.1.2. Switches
    • -V switch : Perl Developing, 6.1.2. Switches
    • -w switch
    • • Perl Developing, 1.3.1. How to Do It
      • Perl Developing, 3. Functions
      • Perl Developing, 6.1.2. Switches
      • Perl Developing, 7.2.10. diagnostics - Force Verbose Warning Diagnostics
      • Perl Developing, 9. Diagnostic Messages
    • -x switch
    • • Perl Developing, 6.1.1. Command Processing
      • Perl Developing, 6.1.2. Switches
  • compiler
  • • Advanced Perl Developing, 20.7. A Peek into the Future
    • Learning Perl on Win32 Systems, D.10.4. The Perl Compiler
    • Perl tutorial, 3.4. The Perl Compiler
  • debugger
  • • Advanced Perl Developing, 2.5. Pretty-Printing
    • Advanced Perl Developing, 20.1. Reading the Source
    • Perl tutorial, 6.1. The Perl Debugger
    • Perl tutorial, 6.2. Debugger Commands
    • Perl tutorial, 6.4. Customizing the Debugger
  • documentation, resources, technical support
  • • Advanced Perl Developing, Resources
    • Perl tutorial, Other Books
    • Learning Perl on Win32 Systems, 1.4. Support
    • Perl tutorial, 1.4. Perl Resources
    • Perl tutorial, 2.5. Documentation
    • Perl tutorial, 4.11. Pod
    • = to signify in programs : Perl tutorial, 4.1. Program Structure
    • release notes : Perl tutorial, Platform Notes
    • utilities for : Perl tutorial, 4.11.3. Pod Utilities
  • embedding
  • • Advanced Perl Developing, 19. Embedding Perl:The Easy Way
    • Advanced Perl Developing, 20.4.1. Calling a Perl Subroutine
    • Advanced Perl Developing, 20.6. Easy Embedding API
    • Learning Perl on Win32 Systems, D.10. Embeddible, Extensible
  • example scripts : Perl tutorial, 2.3.1.1. Perl examples
  • executor : Advanced Perl Developing, 20.2.3. Executor
  • extensions : (see extension modules, Perl)
  • future of : Advanced Perl Developing, 20.7. A Peek into the Future
  • history of
  • • Learning Perl, 1.1. History of Perl
    • Perl tutorial, 1.2. Perl Development
    • Perl Developing, 8.2.7. Previous Perl Traps
    • Perl Developing, 8.7. History Made Practical
  • installing source code : Perl tutorial, 2.3. Installing Perl
  • language syntax : Advanced Perl Developing, Language Syntax
  • obtaining
  • • Learning Perl, 1.3. Availability
    • Learning Perl on Win32 Systems, 1.3.2. Standard Perl Distribution
    • Perl tutorial, 2. Installing Perl
    • Perl Developing, How to Get Perl
  • Perl: The Motion Picture : Learning Perl, 16.2. Packing and Unpacking Binary Data
  • developing conventions : Perl tutorial, Conventions Used in this tutorial
  • programs, making executable : Learning Perl, 1.4. Basic Concepts
  • standard library
  • • Learning Perl, 6.2. Input from the Diamond Operator
    • Perl Developing, 7. The Standard Perl Library
  • translator : Advanced Perl Developing, 20.2.2. Translator
  • using C with
  • • Advanced Perl Developing, 18. Extending Perl:A First Course
    • Advanced Perl Developing, 18.2. Example: Fractals with Perl
  • value types : Advanced Perl Developing, 20.3. Perl Value Types
  • for Win32 : Learning Perl on Win32 Systems, 1.3.1. ActiveState Perl for Win32
• perl-bin directory : Perl tutorial, 11.4. Running CGI Scripts with mod_perl
• PERL_DEBUG_MSTATS variable : Perl tutorial, 3.3. Environment Variables
• PERL_DESTRUCT_LEVEL variable : Perl tutorial, 3.3. Environment Variables
• <Perl> directives (Apache) : Perl tutorial, 11.6. <Perl> Sections
• Perl Institute : Perl tutorial, 1.4.5. The Perl Institute (www.perl.org)
• Perl Journal : Perl tutorial, 1.4.7. The Perl Journal
• PERL_MAILERS variable : Perl tutorial, 14.2.1. Send Email with Mail::Mailer
• PERL_MODULE_EXT variable : Perl tutorial, 3.4. The Perl Compiler
• Perl Package Manager (PPM) : Perl tutorial, 2.4.3.2. Using the Perl Package Manager
• Perl Porters : Perl tutorial, 1.2. Perl Development
• Perl Profiler (DProf)
• • Perl tutorial, 6.5. The Perl Profiler
  • Perl Developing, 8.1.8. Alternative Debuggers: The Perl Profiler
• PERL_SCRIPT_EXT variable : Perl tutorial, 3.4. The Perl Compiler
• perl-script handler
• • Perl tutorial, 11.3. mod_perl Handlers
  • Perl tutorial, 11.4. Running CGI Scripts with mod_perl
• $PERL_VERSION ($]) variable
• • Perl tutorial, 4.4.1. Global Special Variables
  • Perl Developing, 2.9.3. Global Special Variables
  • Perl Developing, 7.2.13. English - Use English or awk Names for Punctuation Variables
• Perl/Tk toolkit
• • Advanced Perl Developing, 14.2. Starting with Perl/Tk
  • Perl tutorial, 15.0. Introduction
  • Perl tutorial, 18. Perl/Tk
  • callbacks : Perl tutorial, 18.1.3. Callbacks
  • colors and fonts : Perl tutorial, 18.1.4. Colors and Fonts
  • dialog boxes : Perl tutorial, 15.15. Creating Dialog Boxes with Tk
  • event bindings : Advanced Perl Developing, 14.6. Event Bindings
  • event loops : Advanced Perl Developing, 14.7. Event Loops
  • geometry managers : Perl tutorial, 18.2. Geometry Managers
  • menus : Perl tutorial, 15.14. Creating Menus with Tk
  • ptK (portable Tk) : Advanced Perl Developing, 14.1. Introduction to GUIs, Tk, and Perl/Tk
  • removing DOS shell window : Perl tutorial, 15.17. Removing the DOS Shell Window with Windows Perl/Tk
  • resize events : Perl tutorial, 15.16. Responding to Tk Resize Events
  • scrollbars : Perl tutorial, 18.1.2. Scrollbars
  • timers : Advanced Perl Developing, 14.5. Timers
  • tkshufflepod program : Perl tutorial, 15.19. Program: tkshufflepod
  • widgets
  • • Advanced Perl Developing, A. Tk Widget Reference
    • Perl tutorial, 18.1. Widgets
    • Button widget : Perl tutorial, 18.4. The Button Widget
    • Canvas widget : Perl tutorial, 18.12. The Canvas Widget
    • Checkbutton widget : Perl tutorial, 18.5. The Checkbutton Widget
    • common configuration options : Perl tutorial, 18.3. Common Widget Configuration Options
    • Entry widget : Perl tutorial, 18.8. The Entry Widget
    • Frame widget : Perl tutorial, 18.17. The Frame Widget
    • Label widget : Perl tutorial, 18.7. The Label Widget
    • Listbox widget : Perl tutorial, 18.10. The Listbox Widget
    • Menu widget : Perl tutorial, 18.15. The Menu Widget
    • Menubutton widget : Perl tutorial, 18.14. The Menubutton Widget
    • Optionmenu widget : Perl tutorial, 18.16. The Optionmenu Widget
    • Radiobutton widget : Perl tutorial, 18.6. The Radiobutton Widget
    • Scale widget : Perl tutorial, 18.13. The Scale Widget
    • Scrollbar widget : Perl tutorial, 18.9. The Scrollbar Widget
    • Text widget : Perl tutorial, 18.11. The Text Widget
    • toplevel widget : Perl tutorial, 18.18. The Toplevel Widget
  • widgets methods : Perl tutorial, 18.1.1. Widget Methods
• PERL5DB variable : Perl Developing, 8.1.3. Debugger Customization
• PERL5LIB environment variable
• • Advanced Perl Developing, 6.2.1. Load Path
  • Perl tutorial, 12.7. Keeping Your Own Module Directory
  • Perl tutorial, 3.3. Environment Variables
• PERL5OPT variable : Perl tutorial, 3.3. Environment Variables
• PERL5SHELL variable : Perl tutorial, 3.3. Environment Variables
• perl_alloc function : Advanced Perl Developing, 19.2. Embedding Overview
• perl_call_argv function
• • Advanced Perl Developing, 19.2. Embedding Overview
  • Advanced Perl Developing, 19.3. Examples
• perl_call_va function
• • Advanced Perl Developing, 19.2. Embedding Overview
  • Advanced Perl Developing, 19.3. Examples
  • Advanced Perl Developing, 20.6. Easy Embedding API
• perl_construct function : Advanced Perl Developing, 19.2. Embedding Overview
• PERL_DESTRUCT_LEVEL variable : Perl Developing, 5.3.9. A Note on Garbage Collection
• perl_eval_va function
• • Advanced Perl Developing, 19.2. Embedding Overview
  • Advanced Perl Developing, 19.3. Examples
  • Advanced Perl Developing, 20.6. Easy Embedding API
• perl_parse function
• • Advanced Perl Developing, 19.2. Embedding Overview
  • Advanced Perl Developing, 19.3. Examples
• $PERL_VERSION
• • Perl tutorial, 4.4.1. Global Special Variables
  • Perl Developing, 2.9.3. Global Special Variables
  • Perl Developing, 7.2.13. English - Use English or awk Names for Punctuation Variables
• perlbug program : Perl tutorial, 6.6. The perlbug Program
• perlcc utility : Perl tutorial, 3.4. The Perl Compiler
• perldb file
• • Perl tutorial, 6.4. Customizing the Debugger
  • Perl Developing, 8.1.3. Debugger Customization
• $PERLDB ($^P) variable
• • Perl tutorial, 4.4.1. Global Special Variables
  • Perl Developing, 2.9.3. Global Special Variables
  • Perl Developing, 7.2.13. English - Use English or awk Names for Punctuation Variables
• PERLDB_OPTS variable : Perl tutorial, 6.4. Customizing the Debugger
• perldoc utility
• • Perl tutorial, 12.16. Documenting Your Module with Pod
  • Learning Perl on Win32 Systems, 1.5.1. Documentation
  • Perl tutorial, Chapter 4, Reference: perldoc
  • Perl tutorial, 2.5.1. Installing the Documentation
  • Perl Developing, Perl Manpages
• PerlHandler directive (mod_perl)
• • Perl tutorial, 11.3. mod_perl Handlers
  • Perl tutorial, 11.4. Running CGI Scripts with mod_perl
• PerlIIS extension : Learning Perl on Win32 Systems, 18.7.2. PerlIS and PerlScript
• PerlInterpreter structure : Advanced Perl Developing, 20.2.1.1. Multiple interpreters
• PerlIO object : Advanced Perl Developing, 20.2.1. Perl Objects
• PerlIS : Learning Perl on Win32 Systems, 1.3.1. ActiveState Perl for Win32
• PERLLIB variable : Perl tutorial, 3.3. Environment Variables
• perlman text viewer : Advanced Perl Developing, 16. GUI Example: Man Page Viewer
• perlmenu module : Perl tutorial, 15.12. Managing the Screen
• PerlModule directive (mod_perl) : Perl tutorial, 11.4. Running CGI Scripts with mod_perl
• PerlScript
• • Learning Perl on Win32 Systems, 1.3.1. ActiveState Perl for Win32
  • Learning Perl on Win32 Systems, 18.7.2. PerlIS and PerlScript
  • Perl tutorial, 20. PerlScript
  • client-side : Perl tutorial, 20.1. Client-Side PerlScript
  • server-side : Perl tutorial, 20.2. Server-Side PerlScript
• PerlSendHeader directive (mod_perl) : Perl tutorial, 11.4. Running CGI Scripts with mod_perl
• perltoot document : Advanced Perl Developing, 4.4.3. Closures Versus Objects
• permission bits, in dbmopen() : Learning Perl, 17.2. Opening and Closing DBM Hashes
• permissions
• • Learning Perl on Win32 Systems, 1.6.16. Maintaining a Last-Good-Guess Database
  • Learning Perl on Win32 Systems, 13.4. Modifying Permissions
  • Perl Developing, 3.2.165. sysopen
  • Perl Developing, 3.2.179. umask
  • CGI programs and
  • • Learning Perl, 19.8. Creating a Guesttutorial Program
    • Learning Perl, 19.9. Troubleshooting CGI Programs
  • generating all possible : Perl tutorial, 4.19. Program: permute
  • modifying
  • • Learning Perl, 13.5. Modifying Permissions
    • Learning Perl on Win32 Systems, 13.4. Modifying Permissions
    • Perl Developing, 3.2.12. chmod
  • permission bits, in dbmopen() : Learning Perl on Win32 Systems, 17.2. Opening and Closing DBM Hashes
  • testing files for trustworthiness : Perl tutorial, 8.17. Testing a File for Trustworthiness
• permute program : Perl tutorial, 4.19. Program: permute
• persistence
• • Advanced Perl Developing, 10. Persistence
  • Advanced Perl Developing, 11. Implementing Object Persistence
  • Adaptor project : Advanced Perl Developing, 11. Implementing Object Persistence
  • data structures : Perl tutorial, 11.14. Transparently Persistent Data Structures
  • database data : Perl tutorial, 14.9. Persistent Data
  • record-oriented : Advanced Perl Developing, 10.3. Record-Oriented Approach
  • streamed data : Advanced Perl Developing, 10.2. Streamed Data
  • subroutine variables : Perl tutorial, 10.3. Creating Persistent Private Variables
  • transparent (orthogonal)
  • • Advanced Perl Developing, 11. Implementing Object Persistence
    • Advanced Perl Developing, 11.2.1. Design Goals
• PF_ constants : Perl tutorial, 17.0. Introduction
• ph filename extension : Perl tutorial, 12.14. Using h2ph to Translate C #include Files
• phrase() (Mail::Address)
• • Perl tutorial, Chapter 14, Reference: phrase
  • Perl tutorial, 14.2.6. Parse Email Addresses with Mail::Address
• pi : Perl Developing, 3.2.6. atan2
• • computing with : Learning Perl, A.1. Chapter 2, Scalar Data
  • obscure reference to : Learning Perl, 16.2. Packing and Unpacking Binary Data
• Pics property (Response object) : Perl tutorial, 20.2.2.2. Response properties
• picture lines
• • Perl Developing, 2.8. Formats
  • Perl Developing, 3.2.41. format
• pid : (see processes)
• $PID ($$) variable
• • Perl tutorial, 4.4.1. Global Special Variables
  • Perl Developing, 2.9.3. Global Special Variables
  • Perl Developing, 7.2.13. English - Use English or awk Names for Punctuation Variables
• ping() (DBI) : Perl tutorial, Chapter 12, Reference: ping
• Ping module : Perl Developing, 7.2.46. Net::Ping - Check Whether a Host Is Online
• pingecho() : Perl Developing, 7.2.46. Net::Ping - Check Whether a Host Is Online
• pinging machines : Perl tutorial, 18.7. Pinging a Machine
• pipe()
• • Perl tutorial, Chapter 5, Reference: pipe
  • Perl Developing, 3.2.107. pipe
• Pipe module : Learning Perl on Win32 Systems, B.4. Win32 Extensions
• pipe symbol : (see | (vertical bar))
• pipe()
• • Perl tutorial, 16.0. Introduction
  • Perl tutorial, 16.10. Communicating Between Related Processes
• pipe# programs (examples) : Perl tutorial, 16.10. Communicating Between Related Processes
• pipes
• • Perl Developing, 3.2.18. close
  • Perl Developing, 6.2.2. Pipes
• pixmaps, widgets and : Advanced Perl Developing, 14.3.1.2. Images
• place geometry manager (Perl/Tk) : Perl tutorial, 18.2.3. The Place Geometry Manager
• placeForget() (place geometry manager) : Perl tutorial, 18.2.3. The Place Geometry Manager
• placeholders (DBI) : Perl tutorial, 12.2.4. Placeholders database and statement handles
• placeInfo() (place geometry manager) : Perl tutorial, 18.2.3. The Place Geometry Manager
• places() : Perl tutorial, 13.14. Overloading Operators
• placeSlaves() (place geometry manager) : Perl tutorial, 18.2.3. The Place Geometry Manager
• platform independence : Advanced Perl Developing, 10.1. Persistence Issues
• platforms : Perl tutorial, 1.3. Which Platforms Support Perl?
• plotting expressions : Advanced Perl Developing, 4.2.2.1. Expression plotting
• pluralities : (see arrays)
• pluralizing words : Perl tutorial, 2.18. Printing Correct Plurals
• plus : (see + (plus sign))
• plx extension : Learning Perl on Win32 Systems, 1.5. Basic Concepts
• pm and .pl files
• • Advanced Perl Developing, 6.2. Packages and Files
  • Perl tutorial, 12.0. Introduction
  • Perl tutorial, 7.1. Namespaces and Packages
• pmdesc program (example) : Perl tutorial, 12.19. Program: Finding Versions and Descriptions of Installed Modules
• =pod command (pod) : Perl tutorial, Chapter 4, Reference: =pod
• pod documentation
• • Advanced Perl Developing, 17.1. On Code Generation
  • Perl tutorial, 12.16. Documenting Your Module with Pod
  • Learning Perl on Win32 Systems, 1.5.1. Documentation
  • Learning Perl on Win32 Systems, 18.1. The CGI.pm Module
  • Perl tutorial, 2.5. Documentation
  • Perl tutorial, 4.11. Pod
  • = to signify in programs : Perl tutorial, 4.1. Program Structure
  • sorting =head1 sections : Perl tutorial, 15.19. Program: tkshufflepod
  • utilities for : Perl tutorial, 4.11.3. Pod Utilities
• POD modules
• • Pod::Functions module : Perl tutorial, 8.120. Pod::Functions
  • Pod::Html module : Perl tutorial, 8.121. Pod::Html
  • Pod::Text module
  • • Perl tutorial, 8.122. Pod::Text
    • Perl Developing, 7.2.50. Pod::Text - Convert POD Data to Formatted ASCII Text
• pod utilities
• • pod2fm utility : Perl tutorial, Chapter 4, Reference: pod2fm
  • pod2html utility
  • • Perl tutorial, 12.16. Documenting Your Module with Pod
    • Perl tutorial, Chapter 4, Reference: pod2html
    • Perl tutorial, 8.121. Pod::Html
  • pod2latex utility : Perl tutorial, Chapter 4, Reference: pod2latex
  • pod2man utility : Perl tutorial, Chapter 4, Reference: pod2man
  • pod2text utility
  • • Perl tutorial, 12.16. Documenting Your Module with Pod
    • Perl tutorial, Chapter 4, Reference: pod2text
    • Perl tutorial, 8.122. Pod::Text
• poetry in Perl : Perl Developing, 8.6. Perl Poetry
• pointer values (PVs) : Advanced Perl Developing, 20.3.1. Scalar Values
• pointers
• • (see references)
  • Learning Perl on Win32 Systems, D.10.7. Function Pointers
• polymorphism
• • Advanced Perl Developing, 7.1. OO: An Introduction
  • Advanced Perl Developing, 7.2.4. The Need for Polymorphism
• "poor man's garbage collection" : Advanced Perl Developing, 1.6.1. Reference Counts
• pop()
• • Learning Perl, A.3. Chapter 4, Control Structures
  • Learning Perl, 3.4.3. The push and pop Functions
  • Learning Perl on Win32 Systems, A.3. Chapter 4, Control Structures
  • Learning Perl on Win32 Systems, 3.4.3. The push and pop Functions
  • Perl tutorial, Chapter 5, Reference: pop
  • Perl Developing, 3.2.108. pop
  • circular lists : Perl tutorial, 4.16. Implementing a Circular List
  • on multiple array elements : Perl tutorial, 4.11. Processing Multiple Elements of an Array
  • Tie::IxHash module and : Perl tutorial, 5.6. Retrieving from a Hash in Insertion Order
• POP3 protocol, interface to
• • Advanced Perl Developing, 12.6.2. Net::POP3
  • Perl tutorial, 14.1.3. Retrieving Email with Net::POP3
  • Perl tutorial, 14.2.8. Reading Email with Mail::POP3Client
• POP3 servers : Perl tutorial, 18.5. Reading Mail with POP3
• popen library function, emulating : Learning Perl, 14.3. Using Processes as Filehandles
• popgrep# programs (examples) : Perl tutorial, 6.10. Speeding Up Interpolated Matches
• popstat() (Net::POP3) : Perl tutorial, Chapter 14, Reference: popstat
• POPStat() (Mail::POP3Client) : Perl tutorial, Chapter 14, Reference: POPStat
• popup_menu() (CGI.pm) : Perl tutorial, Chapter 10, Reference: popup_menu
• popup menus
• • Learning Perl, 19.7. Other Form Elements
  • Learning Perl, 19.7.1. References
• port()
• • Net::FTP module : Perl tutorial, Chapter 16, Reference: port
  • URI::URL module : Perl tutorial, Chapter 17, Reference: port
• Port() (Mail::POP3Client) : Perl tutorial, Chapter 14, Reference: Port
• portability
• • Advanced Perl Developing, 10.1. Persistence Issues
  • Perl Developing, 8.3.5. Porter Efficiency
• Porters : Perl tutorial, 1.2. Perl Development
• ports and port numbers
• • Advanced Perl Developing, 12.1. Networking Primer
  • Learning Perl on Win32 Systems, C. Networking Clients
  • connection attempts, logging : Perl tutorial, 17.17. Program: backsniff
  • getting name from number : Perl Developing, 3.2.64. getservbyname
  • getting number from name : Perl Developing, 3.2.64. getservbyname
• pos()
• • Perl tutorial, 6.14. Matching from Where the Last Pattern Left Off
  • Perl tutorial, Chapter 5, Reference: pos
  • Perl tutorial, Chapter 17, Reference: pos
  • Perl Developing, 3.2.109. pos
• positionfrom() (Frame widget) : Perl tutorial, 18.18.1. Toplevel Methods
• positioning text widgets : Advanced Perl Developing, 14.3.5.1. Inserting text at absolute positions
• positive lookahead assertion : Perl Developing, 2.4.1.4. Regular expression extensions
• POSIX module
• • Perl tutorial, 8.123. POSIX
  • Perl Developing, 7.2.49. POSIX - Perl Interface to IEEE Std 1003.1
  • blocking signals : Perl tutorial, 16.20. Blocking Signals
  • floor() and ceil() : Perl tutorial, 2.3. Rounding Floating-Point Numbers
  • setsid function : Perl tutorial, 17.15. Making a Daemon Server
  • termios interface : Perl tutorial, 15.8. Using POSIX termios
  • trigonometric functions : Perl tutorial, 2.12. Calculating More Trigonometric Functions
• post() (Menu widget) : Perl tutorial, 18.15.2. Menu Methods
• post() (Net::NNTP)
• • Perl tutorial, Chapter 15, Reference: post
  • Perl tutorial, 15.1. The NNTP Protocol
• POST method
• • Perl tutorial, 19.0. Introduction
  • Perl tutorial, 19.1. Writing a CGI Script
  • Perl tutorial, 20.2. Automating Form Submission
  • Perl tutorial, 9.1.1. Transferring the Form Data
  • Perl tutorial, 17.3.1. HTTP::Request
• Post Office Protocol (POP3)
• • Perl tutorial, 14.1.3. Retrieving Email with Net::POP3
  • Perl tutorial, 14.2.8. Reading Email with Mail::POP3Client
• postcascade() (Menu widget) : Perl tutorial, 18.15.2. Menu Methods
• -postcommand option (Menu) : Perl tutorial, 18.15. The Menu Widget
• posting news articles
• • Perl tutorial, 18.4. Reading and Posting Usenet News Messages
  • Perl tutorial, 15.1. The NNTP Protocol
• $POSTMATCH ($') variable
• • Perl tutorial, 6.0. Introduction
  • Learning Perl, 7.4.5. Special Read-Only Variables
  • Perl tutorial, 4.4.5. Regular Expression Special Variables
  • Perl Developing, 2.4.1.3. The fine print
  • Perl Developing, 2.9.1. Regular Expression Special Variables
  • Perl Developing, 6.4.2.2. a2p
  • Perl Developing, 7.2.13. English - Use English or awk Names for Punctuation Variables
  • Perl Developing, 8.3.1. Time Efficiency
• postok() (Net::NNTP) : Perl tutorial, Chapter 15, Reference: postok
• postscript() (Canvas) : Perl tutorial, 18.12.3. Canvas Methods
• PostScript, converting HTML parse tree to : Perl tutorial, 17.4.4. HTML::FormatPS
• pound sign : (see # (hash mark))
• powers of ten, examples of, with substr() : Learning Perl, 15.2. Extracting and Replacing a Substring
• PPM (Perl Package Manager) : Perl tutorial, 2.4.3.2. Using the Perl Package Manager
• Practical Extraction and Report Language : (see perl)
• pragmas
• • (see also use declarations)
  • Perl tutorial, 12.0. Introduction
  • Learning Perl on Win32 Systems, B.1. Library Terminology
  • Perl Developing, 2.6.7. Global Declarations
  • Perl Developing, 2.6.9. Pragmas
  • Perl Developing, 3.2.185. use
  • Perl Developing, 5. Packages, Modules, and Object Classes
  • Perl Developing, 6.1.2. Switches
  • Perl Developing, 7. The Standard Perl Library
  • modules and : Perl Developing, 5.2. Modules
• pre-extending arrays : Perl Developing, 8.3.1. Time Efficiency
• pre-forking servers : Perl tutorial, 17.12. Pre-Forking Servers
• preallocating memory for hashes : Perl tutorial, 5.13. Presizing a Hash
• precedence
• • Learning Perl, 2.4.3. Operator Precedence and Associativity
  • Perl tutorial, 4.5. Operators
  • Perl Developing, 3. Functions
  • Perl Developing, 8.2.7. Previous Perl Traps
  • diagnostic messages : Perl Developing, 9. Diagnostic Messages
  • key/value pair (hashes) : Perl Developing, 2.3.5. Hashes (Associative Arrays)
  • logical operators : Perl Developing, 2.5.20. Logical and, or, not, and xor
  • operator, table of : Perl Developing, 2.5. Operators
  • parentheses and
  • • Learning Perl, 2.4.3. Operator Precedence and Associativity
    • Learning Perl, 7.3.4. Precedence
    • Learning Perl on Win32 Systems, 2.4.3. Operator Precedence and Associativity
  • references and : Advanced Perl Developing, 1.1.6. Confusion About Precedence
  • regular expression matching
  • • Learning Perl, 7.3.4. Precedence
    • Learning Perl on Win32 Systems, 7.3.4. Precedence
    • Perl Developing, 2.4.1.2. The rules of regular expression matching
• precision, controlling in output : Perl tutorial, 13.14. Overloading Operators
• predefined Perl variables
• • Learning Perl on Win32 Systems, D.6. Many, Many Predefined Variables
  • Perl tutorial, 4.4. Special Variables
• preforker program (example) : Perl tutorial, 17.12. Pre-Forking Servers
• $PREMATCH ($`) variable
• • Perl tutorial, 6.0. Introduction
  • Learning Perl, 7.4.5. Special Read-Only Variables
  • Perl tutorial, 4.4.5. Regular Expression Special Variables
  • Perl Developing, 2.4.1.3. The fine print
  • Perl Developing, 2.9.1. Regular Expression Special Variables
  • Perl Developing, 6.4.2.2. a2p
  • Perl Developing, 7.2.13. English - Use English or awk Names for Punctuation Variables
  • Perl Developing, 8.3.1. Time Efficiency
• prepare() (DBI)
• • Perl tutorial, Chapter 12, Reference: prepare
  • Perl tutorial, 12.2.3. Database Handles and Statement Handles
• prepare statement (SQL) : Advanced Perl Developing, 10.4.1.2. Select
• prepending
• • directories to @INC : Perl Developing, 6.1.2. Switches
  • elements to arrays : Perl Developing, 3.2.183. unshift
• pretty-printing : Advanced Perl Developing, 2.5. Pretty-Printing
• prev_labeled() (Mail::Folder) : Perl tutorial, Chapter 14, Reference: prev_labeled_message
• prev_message() (Mail::Folder) : Perl tutorial, Chapter 14, Reference: prev_message
• prime numbers, calculating : Perl tutorial, 2.19. Program: Calculating Prime Factors
• prime_pattern program (example) : Perl tutorial, 6.16. Detecting Duplicate Words
• print()
• • Perl tutorial, 17.0. Introduction
  • Learning Perl, 2.8. Output with print
  • Learning Perl, 6.3.1. Using print for Normal Output
  • Learning Perl on Win32 Systems, 2.8. Output with print
  • Learning Perl on Win32 Systems, 6.3.1. Using print for Normal Output
  • Learning Perl on Win32 Systems, 17.4. Fixed-Length Random-Access Databases
  • Perl tutorial, Chapter 5, Reference: print
  • Perl Developing, 3.2.110. print
  • Perl Developing, 8.2.3. Awk Traps
  • Perl Developing, 8.3.1. Time Efficiency
  • $_ and
  • • Learning Perl, 4.5. The foreach Statement
    • Learning Perl on Win32 Systems, 4.6. The foreach Statement
  • array literals and : Learning Perl, 3.2. Literal Representation
  • examples of
  • • Learning Perl, 1.5.1. The "Hello, World" Program
    • Learning Perl, 1.5.17. The Final Programs
    • Learning Perl on Win32 Systems, 1.6.1. The "Hello, world" Program
    • Learning Perl on Win32 Systems, 1.6.17. The Final Programs
  • filehandle keyword and
  • • Learning Perl, 1.5.12. Warning Someone When Things Go Astray
    • Learning Perl on Win32 Systems, 1.6.12. Warning Someone When Things Go Astray
  • return value of : Learning Perl, 6.3.1. Using print for Normal Output
  • Socket module : Perl tutorial, 13.1.2. Client Connections
  • writes to same filehandle and : Learning Perl, 11.5. The Top-of-Page Format
• print_header() (Mail::Internet) : Perl tutorial, Chapter 14, Reference: print_header
• print_line program (example) : Perl tutorial, 8.8. Reading a Particular Line in a File
• printenv command, emulating : Learning Perl, 14.1. Using system and exec
• PrintError attribute (DBI) : Perl tutorial, 12.2.3. Database Handles and Statement Handles
• printf()
• • Learning Perl, 6.3.2. Using printf for Formatted Output
  • Learning Perl on Win32 Systems, A.5. Chapter 6, Basic I/O
  • Perl tutorial, Chapter 5, Reference: printf
  • Perl Developing, 3.2.111. printf
  • Perl Developing, 3.2.156. sprintf
  • Perl Developing, 8.3.1. Time Efficiency
  • %c format : Perl tutorial, 1.4. Converting Between ASCII Characters and Values
  • examples of
  • • Learning Perl, A.3. Chapter 4, Control Structures
    • Learning Perl, A.5. Chapter 6, Basic I/O
    • Learning Perl, A.13. Chapter 14, Process Management
    • Learning Perl, 4.6. Exercises
    • Learning Perl on Win32 Systems, A.3. Chapter 4, Control Structures
    • Learning Perl on Win32 Systems, 4.7. Exercises
  • rounding floating-point numbers : Perl tutorial, 2.3. Rounding Floating-Point Numbers
• printing
• • data structures : Perl tutorial, 11.11. Printing Data Structures
  • datetime information : Perl tutorial, 3.8. Printing a Date
  • hashes : Perl tutorial, 5.5. Printing a Hash
  • lists with commas : Perl tutorial, 4.2. Printing a List with Commas
  • multidimensional arrays
  • • Perl Developing, 4.6.3. Access and Printing
    • Perl Developing, 4.7.1.3. Access and printing of an array of arrays
    • Perl Developing, 4.7.2.3. Access and printing of a hash of arrays
    • Perl Developing, 4.7.3.3. Access and printing of an array of hashes
  • multidimensional hashes : Perl Developing, 4.7.4.3. Access and printing of a hash of hashes
  • nested data structures : Perl Developing, 8.1.1. Debugger Commands
  • simultaneously to multiple filehandles : Perl tutorial, 7.18. Printing to Many Filehandles Simultaneously
  • specific lines from files : Perl tutorial, 7.0. Introduction
• priority, process : Perl Developing, 3.2.141. setpriority
• privacy
• • Advanced Perl Developing, 1.2.3. References to Anonymous Storage
  • Advanced Perl Developing, 6.4. Privacy
• private
• • methods : Perl tutorial, 13.0. Introduction
  • variables
  • • (see local, variables)
    • Perl tutorial, 10.2. Making Variables Private to a Function
    • Perl tutorial, 12.4. Making Variables Private to a Module
    • Perl tutorial, 4.2.6. Declarations and Scope
    • Perl tutorial, 4.7.4. Private and Local Variables
• procedures
• • (see subroutines)
  • Perl Developing, 1.2.2. Verbs
• process IDs (pids)
• • Perl Developing, 3.2.55. getpgrp
  • Perl Developing, 3.2.102. open
  • Perl Developing, 3.2.140. setpgrp
  • returning
  • • Perl Developing, 3.2.40. fork
    • Perl Developing, 3.2.56. getppid
• Process module
• • Learning Perl on Win32 Systems, B.4. Win32 Extensions
  • Learning Perl on Win32 Systems, 14.5. Win32::Process
• $PROCESS_ID ($$) variable
• • Perl tutorial, 4.4.1. Global Special Variables
  • Perl Developing, 2.9.3. Global Special Variables
  • Perl Developing, 7.2.13. English - Use English or awk Names for Punctuation Variables
• processes : Perl tutorial, 16.0. Introduction
• • catching Ctrl-C : Perl tutorial, 16.18. Catching Ctrl-C
  • communicating between : Perl tutorial, 16.10. Communicating Between Related Processes
  • controlling program input/output : Perl tutorial, 16.8. Controlling Input and Output of Another Program
  • creating
  • • Perl tutorial, 16.0. Introduction
    • Learning Perl, 14.1. Using system and exec
  • error handling permission for : Perl Developing, 7.2.40. IPC::Open3 - Open a Process for Reading, Writing, and Error Handling
  • exit values
  • • Learning Perl, 14.4. Using fork
    • Learning Perl on Win32 Systems, 14.3. Using Processes as Filehandles
  • filehandles as : Learning Perl, 14.3. Using Processes as Filehandles
  • filtering output : Perl tutorial, 16.5. Filtering Your Own Output
  • fork function : Perl Developing, 3.2.40. fork
  • gathering program output : Perl tutorial, 16.1. Gathering Output from a Program
  • getting group for : Perl Developing, 3.2.140. setpgrp
  • groups
  • • Perl tutorial, 7.22. Program: lockarea
    • Perl tutorial, 16.14. Sending a Signal
  • imitating files with named pipes : Perl tutorial, 16.11. Making a Process Look Like a File with Named Pipes
  • interprocess communication (IPC) : Perl Developing, 6.2. Cooperating with Other Processes
  • killing : Perl Developing, 3.2.80. kill
  • launching
  • • Learning Perl, 14.5. Summary of Process Operations
    • Learning Perl on Win32 Systems, 14.4. Summary of Process Operations
  • managing : Perl tutorial, 19.12. Win32::Process
  • named pipes : Perl Developing, 6.2.2.4. Named pipes
  • opening for writing with filehandle : Learning Perl, 14.3. Using Processes as Filehandles
  • preprocessing input : Perl tutorial, 16.6. Preprocessing Input
  • priority, setting : Perl Developing, 3.2.141. setpriority
  • read/write permission for : Perl Developing, 7.2.39. IPC::Open2 - Open a Process for Both Reading and Writing
  • reading from/writing to programs : Perl tutorial, 16.4. Reading or Writing to Another Program
  • reading STDERR from programs : Perl tutorial, 16.7. Reading STDERR from a Program
  • replacing programs : Perl tutorial, 16.3. Replacing the Current Program with a Different One
  • returning priority of : Perl Developing, 3.2.57. getpriority
  • running multiple programs : Perl tutorial, 16.2. Running Another Program
  • sharing variables among : Perl tutorial, 16.12. Sharing Variables in Different Processes
  • signals
  • • Perl tutorial, 16.0. Introduction
    • Perl tutorial, 16.13. Listing Available Signals
    • Perl tutorial, 16.14. Sending a Signal
    • Perl tutorial, 16.15. Installing a Signal Handler
    • Perl tutorial, 16.20. Blocking Signals
  • timing out operations : Perl tutorial, 16.21. Timing Out an Operation
  • umask for : Perl Developing, 3.2.179. umask
  • variables for : Perl Developing, 2.9.3. Global Special Variables
  • waiting for : Perl Developing, 3.2.189. wait
  • Windows and : Learning Perl on Win32 Systems, 14.5. Win32::Process
  • zombie
  • • Perl tutorial, 16.0. Introduction
    • Perl tutorial, 16.19. Avoiding Zombie Processes
    • Perl Developing, 6.2.1. Signals
• processing shell commands : Perl Developing, 6.1.1. Command Processing
• product_tokens() (HTTP::Daemon) : Perl tutorial, Chapter 17, Reference: product_tokens
• products, finding : Learning Perl, 9.4. Labeled Blocks
• professors/students/courses example : Advanced Perl Developing, 2.3. Professors, Students, Courses
• profiler, Perl (DProf) : Perl tutorial, 6.5. The Perl Profiler
• -prog option (perlcc) : Perl tutorial, 3.4. The Perl Compiler
• ProgID
• • Learning Perl on Win32 Systems, 19.2. Creating Automation Objects
  • Learning Perl on Win32 Systems, 19.3. Using Automation Objects
• program flow control functions : Perl tutorial, 5.1. Perl Functions by Category
• program generators : Perl Developing, 6.4.1. Program Generation
• program structure : Perl tutorial, 4.1. Program Structure
• $PROGRAM_NAME ($0) variable
• • Perl tutorial, 4.4.1. Global Special Variables
  • Perl Developing, 2.9.3. Global Special Variables
  • Perl Developing, 7.2.13. English - Use English or awk Names for Punctuation Variables
• Perl Developing : (see Camel Book)
• developing style : Perl Developing, 8.4. Developing with Style
• programs
• • CGI : (see CGI programs)
  • command-line arguments, parsing : Perl tutorial, 15.1. Parsing Program Arguments
  • controlling input/output of : Perl tutorial, 16.8. Controlling Input and Output of Another Program
  • controlling with Expect : Perl tutorial, 15.13. Controlling Another Program with Expect
  • core dump of : Perl Developing, 3.2.29. dump
  • executing : Perl Developing, 3.2.167. system
  • exiting : Perl Developing, 3.2.35. exit
  • filtering output : Perl tutorial, 16.5. Filtering Your Own Output
  • gathering output from : Perl tutorial, 16.1. Gathering Output from a Program
  • interface : (see user interfaces)
  • preprocessing input : Perl tutorial, 16.6. Preprocessing Input
  • reading from/writing to : Perl tutorial, 16.4. Reading or Writing to Another Program
  • reading STDERR from : Perl tutorial, 16.7. Reading STDERR from a Program
  • replacing : Perl tutorial, 16.3. Replacing the Current Program with a Different One
  • running multiple : Perl tutorial, 16.2. Running Another Program
  • simulating telnet from : Perl tutorial, 18.6. Simulating Telnet from a Program
  • testing if running interactively : Perl tutorial, 15.2. Testing Whether a Program Is Running Interactively
• progressive matching : Perl tutorial, 6.5. Finding the Nth Occurrence of a Match
• prompt, examples of
• • Learning Perl, 1.5.2. Asking Questions and Remembering the Result
  • Learning Perl on Win32 Systems, 1.6.2. Asking Questions and Remembering the Result
• properties : Learning Perl on Win32 Systems, 19.1. Introduction to OLE Automation
• • document object (PerlScript) : Perl tutorial, 20.1.1.2. Document properties
  • types of : Advanced Perl Developing, 20.3.6. Magic Variables
  • widgets
  • • Advanced Perl Developing, A. Tk Widget Reference
    • Advanced Perl Developing, 14.3.1. Widget Properties
• Proto option (IO::Socket::INET) : Perl tutorial, 13.2.4. IO::Socket::INET Reference
• protocol()
• • Frame widget module : Perl tutorial, 18.18.1. Toplevel Methods
  • HTTP::Message module : Perl tutorial, Chapter 17, Reference: protocol
  • IO::Socket module : Perl tutorial, Chapter 13, Reference: protocol
• protocols for Internet : Perl tutorial, 18.0. Introduction
• protocols, name-number translations
• • Perl Developing, 3.2.58. getprotobyname
  • Perl Developing, 3.2.59. getprotobynumber
• protocols, socket : Perl tutorial, 17.0. Introduction
• prototype() : Perl tutorial, Chapter 5, Reference: prototype
• prototypes
• • Perl tutorial, 10.11. Prototyping Functions
  • Perl tutorial, 13.0. Introduction
  • Perl tutorial, 4.7. Subroutines
  • Perl tutorial, 4.7.5. Prototypes
  • Perl Developing, 2.7.3. Prototypes
• proxy() (LWP::UserAgent) : Perl tutorial, Chapter 17, Reference: proxy
• proxy, submitting forms through : Perl tutorial, 20.2. Automating Form Submission
• pseudo-literals : (see input, operators)
• pseudo-random numbers : (see random, numbers)
• psgrep program (example) : Perl tutorial, 1.18. Program: psgrep
• pTk language : (see Perl/Tk toolkit)
• public methods : Perl tutorial, 13.0. Introduction
• publishing systems : Learning Perl, 19.10.1. Custom Publishing Systems
• purging : (see deleting)
• push()
• • Perl tutorial, 4.9. Appending One Array to Another
  • Perl tutorial, 11.2. Making Hashes of Arrays
  • Learning Perl, 3.4.3. The push and pop Functions
  • Perl tutorial, Chapter 5, Reference: push
  • Perl Developing, 3.2.112. push
  • circular lists : Perl tutorial, 4.16. Implementing a Circular List
  • example of : Learning Perl, A.15. Chapter 16, System Database Access
  • Tie::IxHash module and : Perl tutorial, 5.6. Retrieving from a Hash in Insertion Order
• push_content() (HTML::Parser) : Perl tutorial, Chapter 17, Reference: push_content
• push_header() (HTTP::Headers) : Perl tutorial, Chapter 17, Reference: push_header
• put()
• • Perl tutorial, Chapter 16, Reference: put
  • Perl Developing, 7.2.8.5. Using the Berkeley DB interface directly
• Put() (Win32::Internet) : Perl tutorial, Chapter 19, Reference: Put
• PUT requests (CGI) : Perl tutorial, 17.3.1. HTTP::Request
• put_unique() (Net::FTP) : Perl tutorial, Chapter 16, Reference: put_unique
• pwd command (Unix)
• • Learning Perl, 12.1. Moving Around the Directory Tree
  • Perl Developing, 8.3.1. Time Efficiency
• PWD environment variable : Perl Developing, 7.2.7. Cwd - Get Pathname of Current Working Directory
• pwd() (Net::FTP) : Perl tutorial, Chapter 16, Reference: pwd
• Pwd() (Win32::Internet) : Perl tutorial, Chapter 19, Reference: Pwd
• Python language : Advanced Perl Developing, Why Perl?
• • closures in : Advanced Perl Developing, 4.5.2. Python
  • __getattr__ and __setattr__ : Advanced Perl Developing, 9.6.2. Python
  • modular developing in : Advanced Perl Developing, 6.9.2. Python
  • object orientation of : Advanced Perl Developing, 7.5.2. Python
  • references in : Advanced Perl Developing, 1.7.2. Python
  • run-time evaluation and error handling : Advanced Perl Developing, 5.7.2. Python

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