Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: D

• \D (nondigit) character class: Character Classes (Perl tutorial)
• \d (digit) character class
• • Character Classes (Perl tutorial)
• /d modifier: (Developing Perl) 5.2.4. The tr/// Operator (Transliteration)
• /d pattern modifier: (Developing Perl) 5.2.4. The tr/// Operator (Transliteration)
• -d file test operator
• • File Test Operators (Perl tutorial)
• -d switch, perl: Command-Line Options (Perl tutorial)
• • The Perl Profiler (Developing Perl)
• ^D (Control-D) as eof: Generating Perl in Other Languages (Developing Perl)
• Control-D as eof: Generating Perl in Other Languages (Developing Perl)
• d for digit=\d (for digit): Regular Expressions (Developing Perl)
• d command (CPAN.pm): Reference: d (Perl tutorial)
• d command (debugger): Reference: d (Perl tutorial)
• daemon() (HTTP::Daemon::ClientConn): Reference: daemon (Perl tutorial)
• daemon servers: Program: sigrand (Perl tutorial)
• • Making a Daemon Server (Perl tutorial)
• daemons
• • Perl modules for: The CPAN modules Directory (Developing Perl)
  • taint mode, importance of enabling for: Handling Insecure Data (Developing Perl)
• data
• • byte-oriented vs. character-oriented: Unicode (Developing Perl)
  • fixed-length, functions for: Perl Functions by Category (Developing Perl)
  • insecure, handling: Handling Insecure Data (Developing Perl)
  • • code masquerading as data: Code Masquerading as Data (Developing Perl)
    • command and file access under reduced privileges: Accessing Commands and Files Under Reduced Privileges (Developing Perl)
    • detecting and laundering tainted data: Detecting and Laundering Tainted Data (Developing Perl)
    • environment, cleaning up: Cleaning Up Your Environment (Developing Perl)
  • screen dump, providing: Perl Language Extensions and Internals (Developing Perl)
• data access
• • threads: Data Access (Developing Perl)
  • • condition variables: Condition variables (Developing Perl)
    • deadlock: Deadlock (Developing Perl)
    • locking methods: Locking methods (Developing Perl)
    • locking subroutines: Locking subroutines (Developing Perl)
    • synchronizing with lock: Synchronizing access with lock (Developing Perl)
    • unlocking: Synchronizing access with lock (Developing Perl)
• DATA command (SMTP): The SMTP Protocol and the SMTP Session (Perl tutorial)
• data() (Net::SMTP): Reference: data (Perl tutorial)
• data organization in Perl: Common Mistakes (Developing Perl)
• • • unlocking: Common Mistakes (Developing Perl)
• data relationships: Representing Relationships Between Data (Perl tutorial)
• Data Source Name (DSN): Using the ODBC Framework (Perl for System Administration)
• data structures: Data Structures (Developing Perl)
• • The CPAN modules Directory (Developing Perl)
  • Complexities (Developing Perl)
  • • unlocking: Data Structures (Developing Perl)
    • • The CPAN modules Directory (Developing Perl)
  • arrays of hashes: Arrays of Hashes (Developing Perl)
  • complex, representing as scalars: Complexities (Developing Perl)
  • data structures, printed: Display (Developing Perl)
  • destruction: Instance Destructors (Developing Perl)
  • flat, linear in Perl: References (Developing Perl)
  • hashes of arrays: Hashes of Arrays (Developing Perl)
  • hashes of functions: Hashes of Functions (Developing Perl)
  • lists: Arrays of Arrays (Developing Perl)
  • multidimensional hashes: Hashes of Hashes (Developing Perl)
  • objects (see objects)
  • persistent, providing via tie: Tie Modules on CPAN (Developing Perl)
  • records of elaborate: More Elaborate Records (Developing Perl)
  • references to: What Is a Reference? (Developing Perl)
  • saving: Saving Data Structures (Developing Perl)
  • self-referential, container classes holding pointers to: Garbage Collection with DESTROY Methods (Developing Perl)
  • stringifying: Saving Data Structures (Developing Perl)
• data structures, transforming: Writing XML using XML::Simple (Perl for System Administration)
• __DATA__ token: Storing Files Inside Your Program Text (Perl tutorial)
• • Other Literal Tokens (Developing Perl)
  • Special Variables in Alphabetical Order (Developing Perl)
• data types: Data Types and Variables (Perl tutorial)
• • Variable Syntax (Developing Perl)
  • built-in: Built-in Data Types (Developing Perl)
  • circular data structures: Coping with Circular Data Structures (Perl tutorial)
  • classes as structs: Using Classes as Structs (Perl tutorial)
  • complex data structures: References and Complex Data Structures (Perl tutorial)
  • converting between C and Perl: Fiddling with the Perl Stack from C (Developing Perl)
  • internal, Perl and C: Internal Data Types (Developing Perl)
  • modules for: Data Types (Developing Perl)
  • scalars (see scalars)
  • translation: Writing an Extension: Overview (Advanced Perl Developing)
  • TYPE declarations in Perl: my (Developing Perl)
  • typeglobs: Typeglobs and Filehandles (Developing Perl)
• database handle, DBI: Using the ODBC Framework (Perl for System Administration)
• Database Interface (see DBI)
• • analyzing log files with: Using Databases (Perl for System Administration)
  • generating DNS configuration files from: Generating DNS Configuration Files (Perl for System Administration)
  • generating host files from
  • • error checking while: Error Checking the Host File Generation Process (Perl for System Administration)
    • improving output while: Improving the Host File Output (Perl for System Administration)
  • MySQL: The Fifteen-Minute SQL Tutorial (Perl for System Administration)
  • relational: Relating Tables to Each Other (Perl for System Administration)
  • SAM: NT/2000 User Identity Storage and Access (Perl for System Administration)
  • • creating/deleting: Creating /Deleting Databases and Tables (Perl for System Administration)
    • documenting from Perl: Server Documentation (Perl for System Administration)
    • interacting with from Perl: Interacting with an SQL Server from Perl (Perl for System Administration)
    • managing logins from Perl: Database Logins (Perl for System Administration)
    • manipulating data in: Simple Manipulation of Data Returned by Queries (Perl for System Administration)
    • monitoring from Perl: Monitoring Server Health (Perl for System Administration)
    • Perl-cliented: Using Perl-cliented SQL databases (Perl for System Administration)
    • querying information: Querying Information (Perl for System Administration)
    • stored procedures: Stored Procedures (Perl for System Administration)
    • using DBI: Using the DBI Framework (Perl for System Administration)
    • using ODBC: Using the ODBC Framework (Perl for System Administration)
  • tracking network host data with: Generating Host Files (Perl for System Administration)
  • use in account systems: The Backend Database (Perl for System Administration)
• database queries: Formatting Lists and Tables with HTML Shortcuts (Perl tutorial)
• databases
• • Databases and Perl (Perl tutorial)
  • access: Introduction (Perl tutorial)
  • • converting between DBM files: Converting Between DBM Files (Perl tutorial)
    • emptying DBM files: Emptying a DBM File (Perl tutorial)
    • ggh program: Program: ggh&nbsp- Grep Netscape Global History (Perl tutorial)
    • locking DBM files: Locking DBM Files (Perl tutorial)
    • making DBM files: Making and Using a DBM File (Perl tutorial)
    • merging DBM files: Merging DBM Files (Perl tutorial)
    • persistent data: Persistent Data (Perl tutorial)
    • sorting large DBM files: Sorting Large DBM Files (Perl tutorial)
    • SQL queries: Executing an SQL Command Using DBI and DBD (Perl tutorial)
    • • Formatting Lists and Tables with HTML Shortcuts (Perl tutorial)
    • storing complex data in DBM files: Storing Complex Data in a DBM File (Perl tutorial)
    • text files as database arrays: Treating a Text File as a Database Array (Perl tutorial)
  • Data Base Management (see DBM files)
  • database handles (DBI methods): Database Handles and Statement Handles (Perl tutorial)
  • DBDs (database drivers): Database Drivers (DBDs) (Perl tutorial)
  • DBI module: Design of DBI (Perl tutorial)
  • DBM (Database Management) facility: DBM Databases and DBM Hashes (Perl tutorial)
  • generating schema for: Oh, and Can You Do This Too? (Advanced Perl Developing)
  • mapping: Multivalued Attributes and Database Mapping (Advanced Perl Developing)
  • Perl connections to: Pattern Matching (Developing Perl)
  • Perl modules for operating: The CPAN modules Directory (Developing Perl)
  • see also DBI: The CPAN modules Directory (Developing Perl)
  • tying hash variables to: Tied Variables (Developing Perl)
• Data::Dumper module: Pretty-Printing (Advanced Perl Developing)
• • Data::Dumper (Advanced Perl Developing)
  • Printing Data Structures (Perl tutorial)
  • Data::Dumper (Perl tutorial)
  • Saving Data Structures (Developing Perl)
  • Perl Language Extensions and Internals (Developing Perl)
• DATA filehandle: Global Special Filehandles (Perl tutorial)
• • Special Variables in Alphabetical Order (Developing Perl)
  • • unlocking: Special Variables in Alphabetical Order (Developing Perl)
• dataend() (Net::SMTP): Reference: dataend (Perl tutorial)
• datagram sockets: Introduction (Perl tutorial)
• • Setting Up a UDP Client (Perl tutorial)
• datagrams: Sockets (Developing Perl)
• DataReceiveTimeout() (Win32::Internet): Reference: DataReceiveTimeout (Perl tutorial)
• datasend() (Net::SMTP): Reference: datasend (Perl tutorial)
• DataSendTimeout() (Win32::Internet): Reference: DataSendTimeout (Perl tutorial)
• data_sources() (DBI): Reference: data_sources (Perl tutorial)
• date function (see localtime function)
• date() (Net::NNTP): Reference: date (Perl tutorial)
• • examples of
• date and time: Introduction (Perl tutorial)
• • arithmetic with: Adding to or Subtracting from a Date (Perl tutorial)
  • converting to/from Epoch seconds: Converting DMYHMS to Epoch Seconds (Perl tutorial)
  • Date::DateCalc module: Introduction (Perl tutorial)
  • • Adding to or Subtracting from a Date (Perl tutorial)
    • Difference of Two Dates (Perl tutorial)
    • Day in a Week/Month/Year or Week Number (Perl tutorial)
  • Date::Manip module: Introduction (Perl tutorial)
  • • Parsing Dates and Times from Strings (Perl tutorial)
    • Printing a Date (Perl tutorial)
    • Program: hopdelta (Perl tutorial)
  • dates,
  • • Perl modules for: The CPAN modules Directory (Developing Perl)
    • portability of: Dates and Times (Developing Perl)
  • days, calculating: Day in a Week/Month/Year or Week Number (Perl tutorial)
  • file access/modification: Getting and Setting Timestamps (Perl tutorial)
  • functions for: Perl Functions by Category (Perl tutorial)
  • high-resolution timers: High-Resolution Timers (Perl tutorial)
  • hopdelta program: Program: hopdelta (Perl tutorial)
  • HTTP::Date module: HTTP::Date (Perl tutorial)
  • manipulation of
  • modifying timestamps
  • parsing information from strings: Parsing Dates and Times from Strings (Perl tutorial)
  • printing: Printing a Date (Perl tutorial)
  • sleeps: Short Sleeps (Perl tutorial)
  • sorting mail by (example): Program: Sorting Your Mail (Perl tutorial)
  • Time modules
  • • Time::gmtime module: Introduction (Perl tutorial)
    • • Converting Epoch Seconds to DMYHMS (Perl tutorial)
      • Time::gmtime (Perl tutorial)
    • Time::HiRes module: High-Resolution Timers (Perl tutorial)
    • Time::Local module: Introduction (Perl tutorial)
    • • Converting DMYHMS to Epoch Seconds (Perl tutorial)
      • Time::Local (Perl tutorial)
    • Time::localtime module: Introduction (Perl tutorial)
    • • Time::localtime (Perl tutorial)
    • Time::timelocal: Converting Epoch Seconds to DMYHMS (Perl tutorial)
    • Time::tm module: Introduction (Perl tutorial)
    • • Time::tm (Perl tutorial)
  • timing out operations: Timing Out an Operation (Perl tutorial)
  • today's: Finding Today's Date (Perl tutorial)
  • UNIX internal format
  • years: Introduction (Perl tutorial)
• date_difference(): Difference of Two Dates (Perl tutorial)
• dates_difference(): Difference of Two Dates (Perl tutorial)
• • Day in a Week/Month/Year or Week Number (Perl tutorial)
• datesort program (example): Program: Sorting Your Mail (Perl tutorial)
• date_time_difference(): Difference of Two Dates (Perl tutorial)
• DateCalc(): Program: hopdelta (Perl tutorial)
• day_of_week(): Day in a Week/Month/Year or Week Number (Perl tutorial)
• DB module: Perl Language Extensions and Internals (Developing Perl)
• DB package,: caller (Developing Perl)
• DBAs (database administrators): SQL Database Administration (Perl for System Administration)
• DBD (Database drivers)
• • Perl modules for: The CPAN modules Directory (Developing Perl)
• DBD modules: Interacting with an SQL Server from Perl (Perl for System Administration)
• DBD\:\:ODBC module: Interacting with an SQL Server from Perl (Perl for System Administration)
• DBDs (database drivers): Databases and Perl (Perl tutorial)
• • Database Drivers (DBDs) (Perl tutorial)
  • DBD::Oracle module: DBI (Database Interface) (Advanced Perl Developing)
• DBD\:\:Sybase module: Interacting with an SQL Server from Perl (Perl for System Administration)
• DB_File module: Berkeley DB (Advanced Perl Developing)
• • Transparently Persistent Data Structures (Perl tutorial)
  • DB_File (Perl tutorial)
  • DBM Interfaces (Developing Perl)
  • Using Perl-only databases (Perl for System Administration)
  • MySQL Server via DBI (Perl for System Administration)
  • Sybase Server via DBI (Perl for System Administration)
  • • MySQL server: MySQL Server via DBI (Perl for System Administration)
    • Sybase server: Sybase Server via DBI (Perl for System Administration)
  • architecture of: Interacting with an SQL Server from Perl (Perl for System Administration)
  • database handle: Using the ODBC Framework (Perl for System Administration)
  • Data::Dumper module, using with: Data::Dumper (Developing Perl)
  • placeholders: Using the DBI Framework (Perl for System Administration)
  • sorting large DBM files: Sorting Large DBM Files (Perl tutorial)
  • statement handle: Using the DBI Framework (Perl for System Administration)
  • text files as database arrays: Treating a Text File as a Database Array (Perl tutorial)
  • using from Perl: Using the DBI Framework (Perl for System Administration)
• DBI (Database Interface), Perl modules for: The CPAN modules Directory (Developing Perl)
• db2gdbm program (example): Converting Between DBM Files (Perl tutorial)
• DBI_ environment variables: DBI Environment Variables (Perl tutorial)
• DBI module: Adaptor: An Introduction (Advanced Perl Developing)
• • Executing an SQL Command Using DBI and DBD (Perl tutorial)
  • Formatting Lists and Tables with HTML Shortcuts (Perl tutorial)
  • Creating HTML Templates (Perl tutorial)
  • Databases and Perl (Perl tutorial)
  • Design of DBI (Perl tutorial)
  • database and statement handles: Database Handles and Statement Handles (Perl tutorial)
  • database mapping: Multivalued Attributes and Database Mapping (Advanced Perl Developing)
  • environment variables for: DBI Environment Variables (Perl tutorial)
  • implementation of: Adaptor::DBI (Advanced Perl Developing)
  • methods of: DBI Methods (Perl tutorial)
  • object uniqueness and: Uniqueness of Objects in Memory (Advanced Perl Developing)
• DBI specification: DBI (Database Interface) (Advanced Perl Developing)
• dblockdemo program (example): Locking DBM Files (Perl tutorial)
• DBM files
• • complex data in: Storing Complex Data in a DBM File (Perl tutorial)
  • complex data values, storing in: Data::Dumper (Developing Perl)
  • converting between: Converting Between DBM Files (Perl tutorial)
  • dbmclose and dbmopen functions: dbmclose (Developing Perl)
  • deleting from: delete (Developing Perl)
  • emptying: Emptying a DBM File (Perl tutorial)
  • GDBM files: Introduction (Perl tutorial)
  • • Converting Between DBM Files (Perl tutorial)
  • locking: Locking DBM Files (Perl tutorial)
  • • File Locking (Developing Perl)
  • making and using: Making and Using a DBM File (Perl tutorial)
  • merging: Merging DBM Files (Perl tutorial)
  • modules for: DBM Interfaces (Developing Perl)
  • NDBM files: Introduction (Perl tutorial)
  • sorting: Sorting Large DBM Files (Perl tutorial)
  • tie statement with: Tying Hashes (Advanced Perl Developing)
• DBM libraries: Introduction (Perl tutorial)
• DBM modules: DBM (Advanced Perl Developing)
• • DBM Databases and DBM Hashes (Perl tutorial)
  • portability of: Standard Modules (Developing Perl)
• dbmclose(): Making and Using a DBM File (Perl tutorial)
• • Tied Variables (Developing Perl)
  • Reference: dbmclose (Perl tutorial)
• dbmopen(): Introduction (Perl tutorial)
• • Tied Variables (Developing Perl)
  • Making and Using a DBM File (Perl tutorial)
  • Reference: dbmopen (Perl tutorial)
  • DBM Databases and DBM Hashes (Perl tutorial)
  • use declarations with: Tied Variables (Developing Perl)
• dbprofpp program: The Perl Profiler (Developing Perl)
• DB_RECNO access method: Reading a Particular Line in a File (Perl tutorial)
• DBD module: Executing an SQL Command Using DBI and DBD (Perl tutorial)
• dbusers program (example): Executing an SQL Command Using DBI and DBD (Perl tutorial)
• dclone(): Copying Data Structures (Perl tutorial)
• deadlock in threads: Deadlock (Developing Perl)
• deadlocks: Bidirectional Communications (Advanced Perl Developing)
• • Remote Procedure Calls (RPC) (Advanced Perl Developing)
• deallocating memory: Recommended memory allocation and deallocation routines (Advanced Perl Developing)
• • Garbage Collection, Circular References, and Weak References (Developing Perl)
• debug()
• • Mail::Folder module: Reference: debug (Perl tutorial)
  • Text widget: Text Methods (Perl tutorial)
• debugging: Debugging (Perl tutorial)
• • Switches (Developing Perl)
  • The Perl Debugger (Developing Perl)
  • Handling Insecure Data (Developing Perl)
  • -d, -D options (perl): Reading the Source (Advanced Perl Developing)
  • • Command-Line Options (Perl tutorial)
    • The Perl Debugger (Perl tutorial)
    • The Perl Profiler (Perl tutorial)
  • backend modules for: Compiler Backends (Developing Perl)
  • bug reports: Bug Reports (Developing Perl)
  • CGI scripts: Introduction (Perl tutorial)
  • • Fixing a 500 Server Error (Perl tutorial)
    • Debugging (Perl tutorial)
  • checking syntax without running: Command-Line Options (Perl tutorial)
  • controlling from programs: Using the Debugger (Developing Perl)
  • core dumps: Command-Line Options (Perl tutorial)
  • DB module: Perl Language Extensions and Internals (Developing Perl)
  • debug level, setting through class or instances: Managing Class Data (Developing Perl)
  • debugger code, command for loading: Environment Variables (Developing Perl)
  • debugger commands, Perl: Debugger Commands (Developing Perl)
  • • Debugger Customization (Developing Perl)
    • options: Debugger Options (Developing Perl)
  • HTTP exchanges: Debugging the Raw HTTP Exchange (Perl tutorial)
  • Perl profiler (DProf): The Perl Profiler (Perl tutorial)
  • perlbug program: The perlbug Program (Perl tutorial)
• debugging flags: Special Variables in Alphabetical Order (Developing Perl)
• • • options: Special Variables in Alphabetical Order (Developing Perl)
  • debugger support, Perl: Debugger Support (Developing Perl)
  • debugger, unattended execution: Unattended Execution (Developing Perl)
  • Devel::Peek module for XS programs: Perl Language Extensions and Internals (Developing Perl)
  • global destruction of objects other references, controlling: Environment Variables (Developing Perl)
  • overloading: Overloading Diagnostics (Developing Perl)
  • Perl, using C compiler -DDEBUGGING option: Class Inheritance (Developing Perl)
  • turning on in tied filehandle: Filehandle-Tying Methods (Developing Perl)
  • Unix security bugs: Unix Kernel Security Bugs (Developing Perl)
• $DEBUGGING ($^D) variable: Global Special Variables (Perl tutorial)
• debug_print() (Mail::Folder): Reference: debug_print (Perl tutorial)
• debugger: Reading the Source (Advanced Perl Developing)
• • The Perl Debugger (Perl tutorial)
  • commands for: Debugger Commands (Perl tutorial)
  • customizing: Customizing the Debugger (Perl tutorial)
• decimal numbers, converting: Converting Between Binary and Decimal (Perl tutorial)
• • Converting Between Octal and Hexadecimal (Perl tutorial)
• decimal points, lining up: Formats (Developing Perl)
• declarations: Program Structure (Perl tutorial)
• • Getting Started (Developing Perl)
  • Statements and Declarations (Developing Perl)
  • structs: Generating Classes with Class::Struct (Developing Perl)
  • fields with use fields pragma: Field Declarations with use fields (Developing Perl)
  • global: Global Declarations (Developing Perl)
  • global variables,: Lexically Scoped Global Declarations: our (Developing Perl)
  • methods,: New Tricks (Developing Perl)
  • packages: Namespaces and Packages (Perl tutorial)
  • • Simplicities (Developing Perl)
    • Scoped Declarations (Developing Perl)
    • Packages (Developing Perl)
  • private vs. local: Private and Local Variables (Perl tutorial)
  • scoped: Scoped Declarations (Developing Perl)
  • subroutines: Subroutines (Perl tutorial)
  • • Global Declarations (Developing Perl)
    • with definitions: Syntax (Developing Perl)
  • use declarations: Simplicities (Developing Perl)
  • variables: Declarations and Scope (Perl tutorial)
  • • Statements and Declarations (Developing Perl)
    • Scoped Variable Declarations (Developing Perl)
• declarative approach, regular expression developing: Programmatic Patterns (Developing Perl)
• declaring
• • formats: Formats (Developing Perl)
  • subroutines: sub (Developing Perl)
  • • without defining: Syntax (Developing Perl)
• decomposing characters into simpler ones: Standard Unicode properties (Developing Perl)
• • • without defining: Standard Unicode properties (Developing Perl)
• decompressing CPAN modules: Decompressing and Unpacking CPAN Modules (Developing Perl)
• • • without defining: Decompressing and Unpacking CPAN Modules (Developing Perl)
• decrementing variables: Unary Arithmetic Operators (Developing Perl)
• • • without defining: Unary Arithmetic Operators (Developing Perl)
• decryption (see encryption)
• • • without defining (see encryption)
• deep binding: Python (Advanced Perl Developing)
• deep copies: Copying Data Structures (Perl tutorial)
• default filehandle
• default package: Scoped Declarations (Developing Perl)
• • • without defining: Scoped Declarations (Developing Perl)
• DEFAULT pseudosignal: Signals (Developing Perl)
• • • without defining: Signals (Developing Perl)
• default string values: Establishing a Default Value (Perl tutorial)
• default_port() (URI::URL): Reference: default_port (Perl tutorial)
• defaults() (CGI.pm): Reference: defaults (Perl tutorial)
• defined function: defined (Developing Perl)
• • • without defining: defined (Developing Perl)
• defined operator: Establishing a Default Value (Perl tutorial)
• • Reference: defined (Perl tutorial)
• definedness: Introduction (Perl tutorial)
• • Establishing a Default Value (Perl tutorial)
• defining: Semantics (Developing Perl)
• • • without defining: Semantics (Developing Perl)
• • classes (object-oriented modules as): Using Modules (Developing Perl)
  • subroutines
  • • declarations vs.: Global Declarations (Developing Perl)
    • loading from other files: Global Declarations (Developing Perl)
    • loading with AUTOLOAD: Autoloading (Developing Perl)
• deg2rad() (example): Doing Trigonometry in Degrees, not Radians (Perl tutorial)
• degrees vs. radians: Doing Trigonometry in Degrees, not Radians (Perl tutorial)
• deiconify() (Frame widget): Toplevel Methods (Perl tutorial)
• DEL in hexadecimal: String Literals (Developing Perl)
• • • loading with AUTOLOAD: String Literals (Developing Perl)
• delaying module loading: Delaying use Until Run Time (Perl tutorial)
• delegation: Delegation (Advanced Perl Developing)
• delete(): Deleting from a Hash (Perl tutorial)
• • Reference: delete (Perl tutorial)
  • Canvas widget: Canvas Methods (Perl tutorial)
  • CGI.pm module: Reference: delete (Perl tutorial)
  • Entry widget: Entry Methods (Perl tutorial)
  • HTML::Parser module: Reference: delete (Perl tutorial)
  • Listbox widget: Listbox Methods (Perl tutorial)
  • Mail::Send module: Reference: delete (Perl tutorial)
  • Menu widget: Menu Methods (Perl tutorial)
  • multiple hash key values: Hashes with Multiple Values Per Key (Perl tutorial)
  • Net::FTP module: Reference: delete (Perl tutorial)
  • Net::POP3 module: Reference: delete (Perl tutorial)
  • Text widget: Text Methods (Perl tutorial)
  • Tie::IxHash module and: Retrieving from a Hash in Insertion Order (Perl tutorial)
• delete function: delete (Developing Perl)
• • • loading with AUTOLOAD: delete (Developing Perl)
  • tied arrays, not returning deleted value for: Previous Perl Traps (Developing Perl)
• delete_all() (CGI.pm): Reference: delete_all (Perl tutorial)
• delete_content() (HTML::Parser): Reference: delete_content (Perl tutorial)
• DeleteKey() (Win32::Registry)
• • Reference: DeleteKey (Perl tutorial)
• delete_label() (Mail::Folder): Reference: delete_label (Perl tutorial)
• delete_message() (Mail::Folder): Reference: delete_message (Perl tutorial)
• DeleteValue() (Win32::Registry): Reference: DeleteValue (Perl tutorial)
• deleting
• • all debugger actions: Actions and Command Execution (Developing Perl)
  • array elements: pop (Developing Perl)
  • • shift (Developing Perl)
    • splice (Developing Perl)
  • breakpoints: Breakpoints (Developing Perl)
  • characters: chomp (Developing Perl)
  • clearing the screen: Clearing the Screen (Perl tutorial)
  • directories: rmdir (Developing Perl)
  • • unlink (Developing Perl)
  • directories and their contents: Removing a Directory and Its Contents (Perl tutorial)
  • DOS shell window: Removing the DOS Shell Window with Windows Perl/Tk (Perl tutorial)
  • emptying DBM files: Emptying a DBM File (Perl tutorial)
  • files: Deleting a File (Perl tutorial)
  • • unlink (Developing Perl)
  • found but unreplaced characters: The tr/// Operator (Transliteration) (Developing Perl)
  • hash elements: Deleting from a Hash (Perl tutorial)
  • • delete (Developing Perl)
  • HTML tags from strings: Extracting or Removing HTML Tags (Perl tutorial)
  • last line of files: Removing the Last Line of a File (Perl tutorial)
  • selected subroutine return values: Skipping Selected Return Values (Perl tutorial)
  • whitespace at string ends: Trimming Blanks from the Ends of a String (Perl tutorial)
• del_group() (News::Newsrc): Reference: del_group (Perl tutorial)
• delay() (LWP::RobotUA): Reference: delay (Perl tutorial)
• • pattern-matching operators and: Pattern-Matching Operators (Developing Perl)
• delta() (Scrollbar): Scrollbar Methods (Perl tutorial)
• denial of resource attacks: Security features (Advanced Perl Developing)
• denial-of-service attack: Perl Saves the Day (Perl for System Administration)
• denial-of-service problems (patterns and regular expressions), security concerns: Code Masquerading as Data (Developing Perl)
• Deparse backend (Perl compiler): The Perl Compiler (Perl tutorial)
• dequote(): Indenting Here Documents (Perl tutorial)
• dereference-address operator (*), C language: Operators Missing from Perl (Developing Perl)
• dereference operators, overloading: Overloadable Operators (Developing Perl)
• dereferencing: What Is a Reference? (Developing Perl)
• • What Is a Reference? (Developing Perl)
  • Using Hard References (Developing Perl)
  • Using a Variable as a Variable Name (Developing Perl)
  • Using the Arrow Operator (Developing Perl)
  • array elements: Access and Printing (Developing Perl)
  • automatic: No Automatic Dereferencing (Advanced Perl Developing)
  • hash values as functions: Hashes of Functions (Developing Perl)
  • multiple levels of indirection: Dereferencing Multiple Levels of Indirection (Advanced Perl Developing)
  • operator for (see arrow operator)
  • (see also: Dereferencing (Advanced Perl Developing)
  • • Dereferencing (Perl tutorial)
    • Object Syntax (Perl tutorial)
  • subroutine references: Dereferencing Subroutine References (Advanced Perl Developing)
  • typeglobs: Symbol Tables (Developing Perl)
• derived classes: Introduction (Perl tutorial)
• • Brief Refresher on Object-Oriented Lingo (Developing Perl)
  • methods as wrappers around base class methods: Accessing Overridden Methods (Developing Perl)
• descriptors (see file descriptors)
• deselect()
• • Checkbutton widget: Checkbutton Methods (Perl tutorial)
  • Radiobutton widget: Radiobutton Methods (Perl tutorial)
• DESTROY function: Object Destruction (Advanced Perl Developing)
• • Tying Scalars (Advanced Perl Developing)
  • Object-Oriented Perl (Perl tutorial)
• destroying
• • modules/packages: Package Initialization and Destruction (Advanced Perl Developing)
  • objects: Object Destruction (Advanced Perl Developing)
  • threads
  • • detach method: The detach method (Developing Perl)
    • join method: Thread destruction (Developing Perl)
• destructors: Introduction (Perl tutorial)
• • Destroying an Object (Perl tutorial)
  • Instance Destructors (Developing Perl)
  • controlling: Environment Variables (Developing Perl)
  • garbage collection with: Garbage Collection with DESTROY Methods (Developing Perl)
  • shared memory and semaphore: System V IPC (Developing Perl)
• detach method: The detach method (Developing Perl)
• $dev file statistic: stat (Developing Perl)
• deterministic finite automata: Introduction (Perl tutorial)
• Devel modules
• • Devel::Dump module: Inside AVs (Advanced Perl Developing)
  • Devel::Peek module: Reading the Source (Advanced Perl Developing)
  • • Inside SVs (Advanced Perl Developing)
  • Devel::RegExp module: Reading the Source (Advanced Perl Developing)
  • Devel::SelfStubber module: Devel::SelfStubber (Perl tutorial)
  • Devel::Symdump module: Reading the Source (Advanced Perl Developing)
• Devel::Dprof module: The Perl Profiler (Developing Perl)
• • profiling subroutine execution with: The Perl Profiler (Developing Perl)
• development support, modules for: The CPAN modules Directory (Developing Perl)
• Devel::Peek module: Perl Language Extensions and Internals (Developing Perl)
• Devel::SelfStubber module: Module Installation Support (Developing Perl)
• Devel::SmallProf module: The Perl Profiler (Developing Perl)
• DFA (deterministic finite automata): Introduction (Perl tutorial)
• diagnostic messages (see error messages)
• diagnostics module: diagnostics (Perl tutorial)
• • Perl Language Extensions and Internals (Developing Perl)
• Dial-Up User List: Checking against Internet-wide blacklists (Perl for System Administration)
• dialog boxes with Tk toolkit: Creating Dialog Boxes with Tk (Perl tutorial)
• DialogBox widget (Tk): Creating Dialog Boxes with Tk (Perl tutorial)
• die(): Exception Handling (Advanced Perl Developing)
• • The Block Form: Exception Handling (Advanced Perl Developing)
  • Handling Exceptions (Perl tutorial)
  • Reference: die (Perl tutorial)
  • Filehandles (Perl tutorial)
  • time-outs and: Using Eval for Time-Outs (Advanced Perl Developing)
• die function: die (Developing Perl)
• • exit function versus: exit (Developing Perl)
  • quit signal handling and: Signals (Developing Perl)
• __DIE__ token: Installing a Signal Handler (Perl tutorial)
• differences of lists: Finding Elements in One Array but Not Another (Perl tutorial)
• dieLevel option (debugger): Debugger Options (Developing Perl)
• Digest\:\:MD5 module: Network Service Changes (Perl for System Administration)
• digits: Regular Expressions (Developing Perl)
• • in names: Names (Developing Perl)
• -digits option (Scale): The Scale Widget (Perl tutorial)
• dir() (Net::FTP): Reference: dir (Perl tutorial)
• directives (pod): Pod Directives (Developing Perl)
• directories: Introduction (Perl tutorial)
• • auditing: Tracking Operations on Windows/2000 (Perl for System Administration)
  • • adding/deleting: Adding Entries with Standard LDAP Operations (Perl for System Administration)
    • modifying: Modifying Entry Names (Perl for System Administration)
  • changing working: chdir (Developing Perl)
  • closing: closedir (Developing Perl)
  • copying or moving files: Copying or Moving a File (Perl tutorial)
  • creating: mkdir (Developing Perl)
  • creating or removing portably: Filenames, Filesystems, and File Locking (Developing Perl)
  • current working, getting pathname of: Filenames, Filesystems, and File Locking (Developing Perl)
  • deleting: Removing a Directory and Its Contents (Perl tutorial)
  • • rmdir (Developing Perl)
    • unlink (Developing Perl)
  • deleting files in: Deleting a File (Perl tutorial)
  • DirHandle module: Filehandle, Directory Handle, and Stream I/O Utilities (Developing Perl)
  • file-related functions: Perl Functions by Category (Perl tutorial)
  • file test checks on trees: Filenames, Filesystems, and File Locking (Developing Perl)
  • file test operator: Some File Test Operators (Developing Perl)
  • for email messages: Handle Folders with Mail::Folder (Perl tutorial)
  • functions dealing with: Perl Functions by Category (Developing Perl)
  • functions for: Perl Functions by Category (Perl tutorial)
  • hidden, searching for: Local Signs of Peril (Perl for System Administration)
  • • ADSI: Searching (Perl for System Administration)
    • LDAP: Performing LDAP Searches (Perl for System Administration)
  • IO::Dir module: Filehandle, Directory Handle, and Stream I/O Utilities (Developing Perl)
  • multiple names for same file: Recognizing Two Names for the Same File (Perl tutorial)
  • of modules: Keeping Your Own Module Directory (Perl tutorial)
  • opendir function: opendir (Developing Perl)
  • parsing filenames: Splitting a Filename into Its Component Parts (Perl tutorial)
  • Perl modules for: The CPAN modules Directory (Developing Perl)
  • prepending to @INC: Switches (Developing Perl)
  • processing all files in: Processing All Files in a Directory (Perl tutorial)
  • • Processing All Files in a Directory Recursively (Perl tutorial)
  • reading entries from: readdir (Developing Perl)
  • recursively duplicating: Program: symirror (Perl tutorial)
  • renaming files: Renaming Files (Perl tutorial)
  • rewinddir function: rewinddir (Developing Perl)
  • root, redefining: chroot (Developing Perl)
  • seekdir function: seekdir (Developing Perl)
  • sorting contents of: Introduction (Perl tutorial)
  • • Program: lst (Perl tutorial)
  • timestamps: Getting and Setting Timestamps (Perl tutorial)
• directory handles: Filehandles, Directory Handles, and Formats (Advanced Perl Developing)
• • Processing All Files in a Directory (Perl tutorial)
  • modules/packages and: Basic Package (Advanced Perl Developing)
• Directory Information Tree (DIT): LDAP Data Organization (Perl for System Administration)
• • • LDAP: LDAP Data Organization (Perl for System Administration)
• directory services
• • Finger: Finger: A Simple Directory Service (Perl for System Administration)
  • LDAP: LDAP: A Sophisticated Directory Service (Perl for System Administration)
  • WHOIS
  • • Net\:\:Whois, using with: The WHOIS Directory Service (Perl for System Administration)
  • X.500: LDAP: A Sophisticated Directory Service (Perl for System Administration)
• directory tree: LDAP Data Organization (Perl for System Administration)
• • alleviating: Walking the Filesystem Using the File::Find Module (Perl for System Administration)
  • of logging output: Disk Space Problems (Perl for System Administration)
• DirHandle module: Filehandles, Directory Handles, and Formats (Advanced Perl Developing)
• • DirHandle (Perl tutorial)
• dirname(): Splitting a Filename into Its Component Parts (Perl tutorial)
• -disabledforeground option (widgets): Common Widget Configuration Options (Perl tutorial)
• disciplines: open (Developing Perl)
• • filehandles, setting up with binmode: binmode (Developing Perl)
• disconnect() (DBI): Reference: disconnect (Perl tutorial)
• disk usage, library: Introduction (Perl tutorial)
• dispatch tables: Dispatch Table (Advanced Perl Developing)
• Display() (Win32::Console): Reference: Display (Perl tutorial)
• Distinguished Name (DN): LDAP Data Organization (Perl for System Administration)
• Distributed Management Task Force (DMTF): Using Window Management Instrumentation (WMI) (Perl for System Administration)
• distributions() (Net::NNTP): Reference: distributions (Perl tutorial)
• DIT (Directory Information Tree): LDAP Data Organization (Perl for System Administration)
• divide-by-zero error, trapping: The Block Form: Exception Handling (Advanced Perl Developing)
• division (see multiplicative operators)
• division operators
• • Arithmetic Operators (Perl tutorial)
• dlineinfo() (Text widget): Text Methods (Perl tutorial)
• DMTF (Distributed Management Task Force): Using Window Management Instrumentation (WMI) (Perl for System Administration)
• DN (Distinguished Name), root: The Initial LDAP Connection (Perl for System Administration)
• DNS (domain name server): Sockets (Developing Perl)
• DNS (Domain Name Service): Creating the administrative header (Perl for System Administration)
• • Generating multiple configuration files (Perl for System Administration)
  • • administrative header: Creating the administrative header (Perl for System Administration)
    • generating multiple: Generating multiple configuration files (Perl for System Administration)
  • packets: Working with raw network sockets (Perl for System Administration)
  • • using Net\:\:DNS: Using Net::DNS (Perl for System Administration)
    • using nslookup: Using nslookup (Perl for System Administration)
    • using raw sockets: Working with raw network sockets (Perl for System Administration)
• DNS lookups: Simple DNS Lookups (Perl tutorial)
• do(): Reading Configuration Files (Perl tutorial)
• • Reference: do (Perl tutorial)
  • DBI module: Reference: do (Perl tutorial)
• do { }:: (Developing Perl) 3.1. Terms and List Operators (Leftward)
• • BLOCK: Simple Statements (Developing Perl)
  • • do (block) (Perl Developing)
  • loop controls: Simple Statements (Developing Perl)
  • iterating: Bare Blocks (Developing Perl)
  • terminating: Bare Blocks (Developing Perl)
• do loops: Modifiers (Perl tutorial)
• document object (PerlScript): Client-Side PerlScript (Perl tutorial)
• Document Type Definition (DTD): XML Is Picky (Perl for System Administration)
• • MySQL Server via DBI (Perl for System Administration)
  • Sybase Server via DBI (Perl for System Administration)
  • • MySQL server: MySQL Server via DBI (Perl for System Administration)
    • Sybase server: Sybase Server via DBI (Perl for System Administration)
    • using raw sockets: XML Is Picky (Perl for System Administration)
  • with Win32\:\:ODBC module, MS-SQL server: MS-SQL Server via ODBC (Perl for System Administration)
• DOCUMENT_ROOT variable: CGI Environment Variables (Perl tutorial)
• documentation
• • Documentation (Perl tutorial)
  • (see also pod)
  • tutorials on Perl: Offline Documentation (Developing Perl)
  • bug reports: Bug Reports (Developing Perl)
  • C library functions: Functions (Developing Perl)
  • conventions: Conventions Used in this tutorial (Perl tutorial)
  • default system viewer, calling: Miscellaneous Commands (Developing Perl)
  • embedded in Perl programs: Plain Old Documentation (Developing Perl)
  • Javadoc format: On Code Generation (Advanced Perl Developing)
  • POD format: On Code Generation (Advanced Perl Developing)
  • • Pod (Perl tutorial)
    • Pod Utilities (Perl tutorial)
• Domain Name Service (see DNS)
• domain() (Net::SMTP): Reference: domain (Perl tutorial)
• Domain property (response cookies): Setting cookies (Perl tutorial)
• domains
• • for sockets: Introduction (Perl tutorial)
  • getting information on: Using Whois to Retrieve Information from the InterNIC (Perl tutorial)
• Dominus, Mark-Jason: Program: permute (Perl tutorial)
• DOS shell window, removing: Removing the DOS Shell Window with Windows Perl/Tk (Perl tutorial)
• dosish.h file: #! and Quoting on Non-Unix Systems (Developing Perl)
• Douady, Adrien: Detour into Fractals (Advanced Perl Developing)
• double-ended pipe, opening with tied filehandle: Creative Filehandles (Developing Perl)
• double indexing scheme (example): Data Representation (Advanced Perl Developing)
• double-quote context: Interpolative Context (Developing Perl)
• • scalar variables, expanding in: (Developing Perl) 5.2.3. The s/// Operator (Substitution)
• double-quoted strings, interpolation and concatenation: String Operators (Developing Perl)
• double quotes ("): Singularities (Developing Perl)
• • String Interpolation (Perl tutorial)
  • Introduction (Perl tutorial)
  • String Literals (Developing Perl)
  • Pattern-Matching Operators (Developing Perl)
  • Pattern-Matching Operators (Developing Perl)
  • Braces, Brackets, and Quoting (Developing Perl)
  • conversion operator, stringification: Overloadable Operators (Developing Perl)
  • in formline arguments: formline (Developing Perl)
  • in replacement string: (Developing Perl) 5.2.3. The s/// Operator (Substitution)
  • translation escape processing: When backslashes happen (Developing Perl)
• doubles (NVs): Scalar Values (Advanced Perl Developing)
• Dowd, Sean: Email Connectivity (Perl tutorial)
• down method: Semaphores (Developing Perl)
• downloading source code: Installing Perl (Perl tutorial)
• • How Is CPAN Organized? (Perl tutorial)
  • Getting and Installing Modules (Perl tutorial)
• DProf (see Devel::Dprof module)
• dprofpp utility: The Perl Profiler (Perl tutorial)
• drivelock program (example): Program: netlock (Perl tutorial)
• driver, Linux: Perl to the Rescue (Perl for System Administration)
• DSN (Data Source Name): Using the ODBC Framework (Perl for System Administration)
• DTD (Document Type Definition): XML Is Picky (Perl for System Administration)
• du command, sorting output of: Program: dutree (Perl tutorial)
• dummyhttpd program (example): Debugging the Raw HTTP Exchange (Perl tutorial)
• dump(): Reference: dump (Perl tutorial)
• • dump (Developing Perl)
  • CGI.pm module: Reference: dump (Perl tutorial)
  • HTML::Parser module: Reference: dump (Perl tutorial)
• Dump module: Inside AVs (Advanced Perl Developing)
• dump_results() (DBI): Reference: dump_results (Perl tutorial)
• Dumper module: Data::Dumper (Advanced Perl Developing)
• dumpValue function: Pretty-Printing (Advanced Perl Developing)
• Dumpvalue module: Perl Language Extensions and Internals (Developing Perl)
• dup() (Mail::Folder): Reference: dup (Perl tutorial)
• duplicate
• • list elements, extracting: Extracting Unique Elements from a List (Perl tutorial)
  • replaced characters, eliminating: (Developing Perl) 5.2.4. The tr/// Operator (Transliteration)
  • words, finding: Detecting Duplicate Words (Perl tutorial)
• dutree program (example): Program: dutree (Perl tutorial)
• dutree_orig program (example): Program: dutree (Perl tutorial)
• DynaLoader: Creating Extensions (Developing Perl)
• • Autoloading (Developing Perl)
  • Module Installation Support (Developing Perl)
• DynaLoader module: DynaLoader (Perl tutorial)
• dynamic allocation: Data References and Anonymous Storage (Advanced Perl Developing)
• • References to Anonymous Storage (Advanced Perl Developing)
  • Tcl (Advanced Perl Developing)
• dynamic binding: Tie (Advanced Perl Developing)
• • arrays: Tying Arrays (Advanced Perl Developing)
  • filehandles: Tying Filehandles (Advanced Perl Developing)
  • hashes: Tying Hashes (Advanced Perl Developing)
  • monitoring variables (example): Example: Monitoring Variables (Advanced Perl Developing)
  • other languages and: Comparisons with Other Languages (Advanced Perl Developing)
  • scalars: Tying Scalars (Advanced Perl Developing)
• dynamic linking: XS and XSUBs (Developing Perl)
• • C source code from Perl: (Developing Perl) 21.3. Extending Perl (Using C from Perl)
• dynamic scoping: Lexical Versus Dynamic Scoping (Advanced Perl Developing)
• • Saving Global Values (Perl tutorial)
  • Declarations and Scope (Perl tutorial)
  • Private and Local Variables (Perl tutorial)
  • Scoped Declarations (Developing Perl)
  • Scoped Variable Declarations (Developing Perl)
  • Scoped Variable Declarations (Developing Perl)
  • local operator, using on global variables: Dynamically Scoped Variables: local (Developing Perl)
  • pattern variables: Pattern-Matching Operators (Developing Perl)
  • • The s/// Operator (Substitution) (Perl Developing)
• dynamically linked libraries (DLLs), used by processes: Using the Win32::IProc Module (Perl for System Administration)

Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z