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Index: W

• \W (nonword) character class: Character Classes (Perl tutorial)
• \w, matching ideograph with: Effects of Character Semantics (Developing Perl)
• \w (word) character class: Character Classes (Perl tutorial)
• -w command-line switch: Switches (Developing Perl)
• -w switch, Perl: Special Variables in Alphabetical Order (Developing Perl)
• w command (debugger): Reference: w (Perl tutorial)
• w forward character=\w (forward character): Regular Expressions (Developing Perl)
• Wait() (Win32::Process): Reference: Wait (Perl tutorial)
• wait(): Multiple Threads of Execution (Advanced Perl Developing)
• • Avoiding Zombie Processes (Perl tutorial)
  • Reference: wait (Perl tutorial)
  • Win32::ChangeNotification module: Reference: wait (Perl tutorial)
  • Win32::Mutex module: Reference: wait (Perl tutorial)
  • Win32::Semaphore module: Reference: wait (Perl tutorial)
• wait function: wait (Developing Perl)
• wait system call: Special Variables in Alphabetical Order (Developing Perl)
• waitpid(): Multiple Threads of Execution (Advanced Perl Developing)
• • Avoiding Zombie Processes (Perl tutorial)
  • Reference: waitpid (Perl tutorial)
• waitpid function: waitpid (Developing Perl)
• Wall, Larry: Perl Development (Perl tutorial)
• wantarray(): Detecting Return Context (Perl tutorial)
• • Reference: wantarray (Perl tutorial)
• wantarray function: wantarray (Developing Perl)
• Warn attribute (DBI): Database Handles and Statement Handles (Perl tutorial)
• warn function: Reference: warn (Perl tutorial)
• • Filehandles (Perl tutorial)
  • warn (Developing Perl)
  • dialog box for: Creating Dialog Boxes with Tk (Perl tutorial)
  • HTML::Parser module: Reference: warn (Perl tutorial)
• $WARNING: Special Variables in Alphabetical Order (Developing Perl)
• __WARN__ token: Installing a Signal Handler (Perl tutorial)
• warning messages: Reporting Errors and Warnings Like Built-Ins (Perl tutorial)
• • Command-Line Options (Perl tutorial)
  • Switches (Developing Perl)
  • warn (Developing Perl)
  • Diagnostic Messages (Developing Perl)
  • intercepting: Special Variables in Alphabetical Order (Developing Perl)
  • -w switch, turning on with: How to Do It (Developing Perl)
  • reporting like built-ins: Reporting Errors and Warnings Like Built-Ins (Perl tutorial)
• ${^WARNING_BITS}: Special Variables in Alphabetical Order (Developing Perl)
• $WARNING ($^W) variable: Using Classes as Structs (Perl tutorial)
• • Global Special Variables (Perl tutorial)
• • lexical; ${^WARNING_BITS}: Special Variables in Alphabetical Order (Developing Perl)
  • about remaining references to tied objects: Subtle Untying Trap (Developing Perl)
  • about undefined values: Statements and Declarations (Developing Perl)
  • disabling unconditionally and permanently: Switches (Developing Perl)
  • modules for: Warnings and Exceptions (Developing Perl)
  • verbosity, forcing in: Perl Language Extensions and Internals (Developing Perl)
• warnings module: Warnings and Exceptions (Developing Perl)
• warnings pragma: Controlling Warnings (Developing Perl)
• warnLevel option (debugger): Debugger Options (Developing Perl)
• watch expressions: Tracing (Developing Perl)
• watch points, placing on Perl variables: Tie Modules on CPAN (Developing Perl)
• WBEM (Web-Based Enterprise Management): Using Window Management Instrumentation (WMI) (Perl for System Administration)
• wc program: in a File 8.2. Counting Lines (or Paragraphs or Records) (Perl tutorial)
• weak references: Garbage Collection, Circular References, and Weak References (Developing Perl)
• WeakRef module: Garbage Collection with DESTROY Methods (Developing Perl)
• weather, Perl modules for: The CPAN modules Directory (Developing Perl)
• web architecture: Introduction (Perl tutorial)
• web automation: Introduction (Perl tutorial)
• • converting ASCII to/from HTML: Converting ASCII to HTML (Perl tutorial)
  • extracting URLs from HTML: Extracting URLs (Perl tutorial)
  • fetching URLs: Fetching a URL from a Perl Script (Perl tutorial)
  • finding stale/fresh links: Finding Stale Links (Perl tutorial)
  • HTML templates: Creating HTML Templates (Perl tutorial)
  • HTML text substitutions: Program: htmlsub (Perl tutorial)
  • mirroring web pages: Mirroring Web Pages (Perl tutorial)
  • parsing web server log files: Parsing a Web Server Log File (Perl tutorial)
  • processing server logs: Processing Server Logs (Perl tutorial)
  • removing/extracting HTML tags: Extracting or Removing HTML Tags (Perl tutorial)
  • robots: Creating a Robot (Perl tutorial)
  • submitting HTML forms: Automating Form Submission (Perl tutorial)
• web client, creating: LWP::Simple (Perl tutorial)
• web documents, virtual: Creating Virtual Documents (Perl tutorial)
• web, Perl modules for: The CPAN modules Directory (Developing Perl)
• web, references on: Introduction (Perl tutorial)
• web server logs: Introduction (Perl tutorial)
• • parsing: Parsing a Web Server Log File (Perl tutorial)
  • processing: Processing Server Logs (Perl tutorial)
• web server developing: Web Server Developing with mod_perl (Perl tutorial)
• week_number(): Day in a Week/Month/Year or Week Number (Perl tutorial)
• weekearly program (example): Updating a Random-Access File (Perl tutorial)
• weighted_rand() (example): Generating Biased Random Numbers (Perl tutorial)
• WHERE clause (SQL): Retrieving a Subset of the Rows in a Table (Perl for System Administration)
• while loops
• • while loops (Perl tutorial)
  • Modifiers (Perl tutorial)
  • The while and until statements (Developing Perl)
  • while and until Statements (Developing Perl)
  • angle operator and $_: Operator (Developing Perl) 2.11.2. Line Input (Angle)
  • eof function in: eof (Developing Perl)
• while modifier: Simple Statements (Developing Perl)
• while statements: Logical Operators (Developing Perl)
• • Boolean context, supplying: Boolean Context (Developing Perl)
  • list assignment in: List Assignment (Developing Perl)
• whitespace
• • Regular Expressions (Developing Perl)
  • Molecules (Developing Perl)
  • Developing with Style (Developing Perl)
  • Functions (Developing Perl)
  • cononicalizing in a variable: Modifying strings en passant (Developing Perl)
  • deleting leading/trailing: Trimming Blanks from the Ends of a String (Perl tutorial)
  • encoding into URLs: URL Encoding (Perl tutorial)
  • extracting ranges of lines: Extracting a Range of Lines (Perl tutorial)
  • in formats
  • • Formats (Developing Perl)
    • "Here" Documents (Developing Perl)
  • in Perl programs: Program Structure (Perl tutorial)
  • in pod documentation: Documenting Your Module with Pod (Perl tutorial)
  • indenting here documents: Indenting Here Documents (Perl tutorial)
  • matching across multiple lines: Matching Multiple Lines (Perl tutorial)
  • matching words: Matching Words (Perl tutorial)
  • quote characters, use in: Pick Your Own Quotes (Developing Perl)
  • \S (non-whitespace) character class: Character Classes (Perl tutorial)
  • \s (whitespace) character class: Character Classes (Perl tutorial)
  • sorted text in columns and: Program: words (Perl tutorial)
  • sorting du command output: Program: dutree (Perl tutorial)
  • suppressing in formatted output: Formats (Perl tutorial)
  • tabs, expanding/compressing: Expanding and Compressing Tabs (Perl tutorial)
  • /x modifier in pattern matching: Pattern Modifiers (Developing Perl)
• whitespaces, use as variable name or delimiter for quote construct, changes in: Previous Perl Traps (Developing Perl)
• whoami(): Determining Current Function Name (Perl tutorial)
• who.cgi script (example): Creating Sticky Widgets (Perl tutorial)
• WHOIS, querying the right server: Checking against Internet-wide blacklists (Perl for System Administration)
• whois service: Using Whois to Retrieve Information from the InterNIC (Perl tutorial)
• whowasi(): Determining Current Function Name (Perl tutorial)
• wide, syscalls: Special Variables in Alphabetical Order (Developing Perl)
• ${^WIDE_SYSTEM_CALLS}: Special Variables in Alphabetical Order (Developing Perl)
• widgets (Perl/Tk): Introduction to GUIs, Tk, and Perl/Tk (Advanced Perl Developing)
• • Widgets (Perl tutorial)
  • callbacks: Callbacks (Perl tutorial)
  • colors and fonts: Colors and Fonts (Perl tutorial)
  • common configuration options: Common Widget Configuration Options (Perl tutorial)
  • event bindings and: Event Bindings (Advanced Perl Developing)
  • event loops and: Event Loops (Advanced Perl Developing)
  • geometry management: Starting with Perl/Tk (Advanced Perl Developing)
  • • Geometry Management (Advanced Perl Developing)
    • Geometry Managers (Perl tutorial)
  • list of: Widget Tour (Advanced Perl Developing)
  • reference for: Tk Widget Reference (Advanced Perl Developing)
  • scrolling: Scrollbars and Scrolling (Advanced Perl Developing)
  • • Scrollbars (Perl tutorial)
  • tagged styles: Using tags to change properties of text ranges (Advanced Perl Developing)
  • timers: Timers (Advanced Perl Developing)
  • widget methods: Widget Methods (Perl tutorial)
• -width option: Common Widget Configuration Options (Perl tutorial)
• • place geometry manager: The Place Geometry Manager (Perl tutorial)
• width
• • character representation: Building Character (Developing Perl)
  • of numbers: Endianness and Number Width (Developing Perl)
• wildcard metasymbols: Wildcard Metasymbols (Developing Perl)
• • character classes and: Custom Character Classes (Developing Perl)
  • • Custom Character Classes (Developing Perl)
• wildcards: Matching Shell Globs as Regular Expressions (Perl tutorial)
• • Regular Expression Syntax (Perl tutorial)
  • anchors: Anchors (Perl tutorial)
  • character classes: Character Classes (Perl tutorial)
  • escaped sequences: Escaped Sequences (Perl tutorial)
  • quantifiers: Quantifiers (Perl tutorial)
• Win32 modules: Win32 Modules and Extensions (Perl tutorial)
• • Win32::AbortSystemShutdown(): Win32 Extensions (Perl tutorial)
  • Win32::BuildNumber module: Win32 Extensions (Perl tutorial)
  • Win32::ChangeNotification module: Win32::ChangeNotification (Perl tutorial)
  • Win32::Clipboard module: Win32::Clipboard (Perl tutorial)
  • Win32::Console module: Win32::Console (Perl tutorial)
  • Win32::DomainName module: Win32 Extensions (Perl tutorial)
  • Win32::EventLog module: Win32::Eventlog (Perl tutorial)
  • Win32::ExpandEnvironmentStrings module: Win32 Extensions (Perl tutorial)
  • Win32::File module: Win32::File (Perl tutorial)
  • Win32::FileSecurity module: Win32::FileSecurity (Perl tutorial)
  • Win32::FormatMessage module: Win32 Extensions (Perl tutorial)
  • Win32::FsType module: Win32 Extensions (Perl tutorial)
  • Win32::GetCwd module: Win32 Extensions (Perl tutorial)
  • Win32::GetLastError module: Win32 Extensions (Perl tutorial)
  • Win32::GetNextAvailDrive module: Win32 Extensions (Perl tutorial)
  • Win32::GetOSVersion module: Win32 Extensions (Perl tutorial)
  • Win32::GetShortPathName module: Win32 Extensions (Perl tutorial)
  • Win32::GetTickCount module: Win32 Extensions (Perl tutorial)
  • Win32::InitiateSystemShutdown module: Win32 Extensions (Perl tutorial)
  • Win32::Internet module: Win32::Internet (Perl tutorial)
  • Win32::IPC module: Win32::IPC (Perl tutorial)
  • Win32::IsWin95 module: Win32 Extensions (Perl tutorial)
  • Win32::IsWinNT module: Win32 Extensions (Perl tutorial)
  • Win32::LoginName module: Win32 Extensions (Perl tutorial)
  • Win32::LookupAccountName module: Win32 Extensions (Perl tutorial)
  • Win32::LookupAccountSID module: Win32 Extensions (Perl tutorial)
  • Win32::Mutex module: Win32::Mutex (Perl tutorial)
  • Win32::NetAdmin module: Win32::NetAdmin (Perl tutorial)
  • Win32::NetResource module: Win32::NetResource (Perl tutorial)
  • Win32::NodeName module: Win32 Extensions (Perl tutorial)
  • Win32::ODBC module: Win32::ODBC (Advanced Perl Developing)
  • Win32::OLE modules
  • • OLE Automation (Perl tutorial)
    • Win32::OLE::Const module: Win32::OLE::Const (Perl tutorial)
    • Win32::OLE::Enum module: Win32::OLE::Enum (Perl tutorial)
    • Win32::OLE::Variant module: Win32::OLE::Variant (Perl tutorial)
  • Win32::OLELastError(): Win32 Extensions (Perl tutorial)
  • Win32::Process module: Removing the DOS Shell Window with Windows Perl/Tk (Perl tutorial)
  • • Win32::Process (Perl tutorial)
  • Win32::RegisterServer(): Win32 Extensions (Perl tutorial)
  • Win32::Registry module: Win32::Registry (Perl tutorial)
  • Win32::Semaphore module: Win32::Semaphore (Perl tutorial)
  • Win32::Service module
  • • Win32::Service (Perl tutorial)
    • Win32 Extensions (Perl tutorial)
  • Win32::Shortcut module: Win32::Shortcut (Perl tutorial)
  • Win32::Sleep(): Win32 Extensions (Perl tutorial)
  • Win32::Spawn module: Win32 Extensions (Perl tutorial)
  • Win32::Timer module: Example: Stopwatch (Advanced Perl Developing)
  • Win32::UnregisterServer(): Win32 Extensions (Perl tutorial)
• Win32 Schema: Using Window Management Instrumentation (WMI) (Perl for System Administration)
• Win32 systems
• • command processing: Command Processing (Perl tutorial)
  • installing Perl on: Installing on Win32 (Perl tutorial)
• Win32\:\:AdminMisc module: NT/2000 User Identity Storage and Access (Perl for System Administration)
• Win32\:\:AdvNotify module: Tracking Operations on Windows/2000 (Perl for System Administration)
• Win32API\:\:Net module: Windows/2000 account creation and deletion routines (Perl for System Administration)
• Win32API::File module: Microsoft-Related Modules (Developing Perl)
• Win32API::Net module: Microsoft-Related Modules (Developing Perl)
• Win32API::Registry module: Microsoft-Related Modules (Developing Perl)
• Win32::ChangeNotify module: Microsoft-Related Modules (Developing Perl)
• Win32::Console module: Microsoft-Related Modules (Developing Perl)
• Window Management Instrumentation (see WMI)
• • changing titles of: Using the Win32::Setupsup Module (Perl for System Administration)
  • • interacting with: Using the Win32::Setupsup Module (Perl for System Administration)
    • properties of: Using the Win32::Setupsup Module (Perl for System Administration)
  • sending keystrokes to: Using the Win32::Setupsup Module (Perl for System Administration)
• window size, determining: Using h2ph to Translate C #include Files (Perl tutorial)
• • Determining Terminal or Window Size (Perl tutorial)
• window() (Text widget): Text Methods (Perl tutorial)
• Window() (Win32::Console): Reference: Window (Perl tutorial)
• Windows (see Microsoft Windows)
• Windows
• • (see also Windows/2000)
  • groups: NT Groups (Perl for System Administration)
  • • (see also Windows, groups)
  • process control using WMI: Using Window Management Instrumentation (WMI) (Perl for System Administration)
• Windows Resource Kit: NT/2000 User Rights (Perl for System Administration)
• Win32::Event module: Microsoft-Related Modules (Developing Perl)
• Windows clipboard: Win32::Clipboard (Perl tutorial)
• Windows Internet Name Server (see WINS)
• Windows
• • (see also Windows/2000)
  • groups: NT Groups (Perl for System Administration)
  • log files, analyzing: Stream Read-Count (Perl for System Administration)
  • mapping hostnames to IP addresses: Windows Internet Name Server ( WINS) (Perl for System Administration)
  • services, managing via ADSI: Working with NT/2000 Services via ADSI (Perl for System Administration)
• Windows Resource Kit, process control binaries: Using the Microsoft Resource Kit Binaries (Perl for System Administration)
• Windows Server Resource Kit, utilities for WINS: Windows Internet Name Server ( WINS) (Perl for System Administration)
• windowse utility: Using the Win32::Setupsup Module (Perl for System Administration)
• Win32\:\:EventLog module, analyzing log files with: Stream Read-Count (Perl for System Administration)
• Win32::EventLog module: Microsoft-Related Modules (Developing Perl)
• Win32::File module: Microsoft-Related Modules (Developing Perl)
• Win32::FileSecurity module: Microsoft-Related Modules (Developing Perl)
• Win32::Internet module: Microsoft-Related Modules (Developing Perl)
• Win32::IPC module: Microsoft-Related Modules (Developing Perl)
• Win32\:\:IpHelp module: Tracking Operations on Windows/2000 (Perl for System Administration)
• Win32\:\:IProc module, installing: Installing Win32::IProc (Perl for System Administration)
• Win32\:\:Lanman module: Windows/2000 account creation and deletion routines (Perl for System Administration)
• Win32\:\:MAPI module: Using the OS-Specific IPC Framework. (Perl for System Administration)
• Win32::Mutex module: Microsoft-Related Modules (Developing Perl)
• Win32::NetAdmin module: Microsoft-Related Modules (Developing Perl)
• Win32::NetResource module: Microsoft-Related Modules (Developing Perl)
• Win32::ODBC module: Microsoft-Related Modules (Developing Perl)
• Win32\:\:OLE module: Using Window Management Instrumentation (WMI) (Perl for System Administration)
• • Using ADSI from Perl (Perl for System Administration)
  • Using the OS-Specific IPC Framework. (Perl for System Administration)
• Win32::OLE::Const module: Microsoft-Related Modules (Developing Perl)
• Win32::OLE::Enum module: Microsoft-Related Modules (Developing Perl)
• Win32::OLE::NLS module: Microsoft-Related Modules (Developing Perl)
• Win32::OLE::Variant module: Microsoft-Related Modules (Developing Perl)
• Win32::PerfLib module: Microsoft-Related Modules (Developing Perl)
• Win32::Pipe module: Named Pipes (Developing Perl)
• Win32\:\:Process module: Using the Win32::IProc Module (Perl for System Administration)
• WINS (Windows Internet Name Server), DNS and: (Perl for System Administration) 5.3. Domain Name Service (DNS)
• Win32\:\:Setupsup module, installing: Installing Win32::Setupsup (Perl for System Administration)
• Win32::Semaphore module: Microsoft-Related Modules (Developing Perl)
• Win32::Service module: Microsoft-Related Modules (Developing Perl)
• Win32::Sound module: Microsoft-Related Modules (Developing Perl)
• winsz program (example): Using h2ph to Translate C #include Files (Perl tutorial)
• Win32::TieRegistry module: Tie Modules on CPAN (Developing Perl)
• • Microsoft-Related Modules (Developing Perl)
• Win32\:\:UserAdmin module: Windows/2000 account creation and deletion routines (Perl for System Administration)
• Wirth, Nicklaus: OO: An Introduction (Advanced Perl Developing)
• with() (Win32::OLE): Reference: with (Perl tutorial)
• withdraw() (Frame widget): Toplevel Methods (Perl tutorial)
• wmailto program: Getting sendmail (or Similar Mail Transport Agent) (Perl for System Administration)
• WMI (Window Management Instrumentation):, retrieving log information with: Using the OS's Logging API (Perl for System Administration)
• WNetGetLastError() (Win32::NetResource): Reference: WNetGetLastError (Perl tutorial)
• word character, Regular Expressions (Developing Perl)
• word lists: List Values and Arrays (Developing Perl)
• • b assertion=\b assertion: Nailing Things Down (Developing Perl)
  • capturing: (Developing Perl) 5.2.2. The m// Operator (Matching)
  • duplicate, finding: Detecting Duplicate Words (Perl tutorial)
  • fuzzy matching: Approximate Matching (Perl tutorial)
  • lists of, doing programmable command completion on: User Interfaces (Developing Perl)
  • matching abbreviations: Matching Abbreviations (Perl tutorial)
  • pattern matching: Matching Words (Perl tutorial)
  • pluralizing, based on numbers: Printing Correct Plurals (Perl tutorial)
  • processing all in file: Processing Every Word in a File (Perl tutorial)
  • reversing: Reversing a String by Word or Character (Perl tutorial)
  • sorting into columns: Program: words (Perl tutorial)
  • substitutions for specific: Program: fixstyle (Perl tutorial)
  • text color, changing: Changing Text Color (Perl tutorial)
  • wrapping paragraph text: Reformatting Paragraphs (Perl tutorial)
• words program (example): Program: words (Perl tutorial)
• wordstart, wordend modifiers (Text widget): Text Indexes and Modifiers (Perl tutorial)
• World Wide Web: Usenet Newsgroups (Developing Perl)
• World Wide Web (WWW) (see web)
• -wrap option (Text): The Text Widget (Perl tutorial)
• wrapdemo program (example): Reformatting Paragraphs (Perl tutorial)
• -wraplength option (widgets): Common Widget Configuration Options (Perl tutorial)
• wrappers: Glossary (Developing Perl), C, around set-id scripts: Unix Kernel Security Bugs (Developing Perl)
• wrapping paragraph text: Reformatting Paragraphs (Perl tutorial)
• wrapping text: Text::Wrap (Perl tutorial)
• • Accessing Formatting Internals (Developing Perl)
  • String Processing, Language Text Processing, Parsing, and Searching (Developing Perl)
  • Perl module for: The CPAN modules Directory (Developing Perl)
• writable file test operator: Some File Test Operators (Developing Perl)
• • Named Unary and File Test Operators (Developing Perl)
• Write()
• • Response object, PerlScript: Response methods (Perl tutorial)
  • Win32::Console module: Reference: Write (Perl tutorial)
• write function: write (Developing Perl)
• • format function, declaring named sequence of picture lines: format (Developing Perl)
• WriteAttr() (Win32::Console): Reference: WriteAttr (Perl tutorial)
• WriteChar() (Win32::Console): Reference: WriteChar (Perl tutorial)
• WriteInput() (Win32::Console): Reference: WriteInput (Perl tutorial)
• writeLn() (document object, PerlScript): Document methods (Perl tutorial)
• WriteRect() (Win32::Console): Reference: WriteRect (Perl tutorial)
• writing
• • data via low-level system call: print (Developing Perl)
  • • printf (Developing Perl)
    • syswrite (Developing Perl)
    • write (Developing Perl)
  • scripts (see scripts)
  • to shared memory segment ID: shmwrite (Developing Perl)
• writing to files, security of: Be Careful When Writing Data (Perl for System Administration)
• to files, open mode and: open (Developing Perl)
• wtmp file, analyzing: Read-Remember-Process (Perl for System Administration)
• wtmp file, adding records to: Program: tailwtmp (Perl tutorial)
• www.perl.com and www.perl.org sites: www.perl.com (Perl tutorial)

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