Index: W

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## Index: W

\w (word) character class: 4.6.4. Character Classes (Perl in a Nutshell)
\w characters: 8.3.1. Word Anchors (Learning Perl)
-w command-line switch: 19.1.3. Switches (Programming Perl)
w command (Perl debugger): 6.2. Debugger Commands (Perl in a Nutshell)
-W (writeable by real uid/gid) file test: 3.10. Named Unary and File Test Operators (Programming Perl)
-w file test operator: 4.5.8. File Test Operators (Perl in a Nutshell)
w forward character=\w (forward character): 1.7. Regular Expressions (Programming Perl)
\w shortcut: 8.1.1. Character Class Shortcuts (Learning Perl)
-w switch, Perl: 28.2. Special Variables in Alphabetical Order (Programming Perl)
wait( ): 5. Function Reference (Perl in a Nutshell)
  Win32::ChangeNotify module: 22.3. Win32::ChangeNotify (Perl in a Nutshell)
  Win32::Mutex module: 22.9. Win32::Mutex (Perl in a Nutshell)
  Win32::Semaphore module: 22.16. Win32::Semaphore (Perl in a Nutshell)
  16.19.3. Discussion (Perl Cookbook)
  29.2.196. wait (Programming Perl)
wait system call: 28.2. Special Variables in Alphabetical Order (Programming Perl)
Wait( ) (Win32::Process): 22.14.1. Win32::Process Methods (Perl in a Nutshell)
waitpid( ): 5. Function Reference (Perl in a Nutshell)
  16.19.3. Discussion (Perl Cookbook)
  14.6. Getting Down and Dirty with Fork (Learning Perl)
  29.2.197. waitpid (Programming Perl)
Wall, Heidi: 6.2. Input from the Diamond Operator (Learning Perl)
Wall, Larry: 0.4. History of This Book (Learning Perl)
  1.2. What Does "Perl" Stand For? (Learning Perl)
  1.2. Perl Development (Perl in a Nutshell)
  13.1. XML Parsing and Validation (Perl in a Nutshell)
wantarray( ): 5. Function Reference (Perl in a Nutshell)
  10.6.2. Solution (Perl Cookbook)
  4.4. Return Values (Learning Perl)
  9.10. Getting Your Deposit Back (Learning Perl Objects, References and Modules)
  9.10. Getting Your Deposit Back (Learning Perl Objects, References and Modules)
  29.2.198. wantarray (Programming Perl)
warn( ): 4.9. Filehandles (Perl in a Nutshell)
  5. Function Reference (Perl in a Nutshell)
  HTML::Parser module: 20.4.4. HTML::TreeBuilder (Perl in a Nutshell)
  dialog box for: 15.15.3. Discussion (Perl Cookbook)
  11.3.1. Warning Messages with warn (Learning Perl)
  29.2.199. warn (Programming Perl)
__WARN__ signal: 16.15.3. Discussion (Perl Cookbook)
$WARNING: 28.2. Special Variables in Alphabetical Order (Programming Perl)
warning messages: 19.1.3. Switches (Programming Perl)
  29.2.199. warn (Programming Perl)
  33. Diagnostic Messages (Programming Perl)
  intercepting: 28.2. Special Variables in Alphabetical Order (Programming Perl)
  -w switch, turning on with: 1.3.1. How to Do It (Programming Perl)
$WARNING ($^W) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
${^WARNING_BITS}: 28.2. Special Variables in Alphabetical Order (Programming Perl)
warnings: 2.4. Perl's Built-in Warnings (Learning Perl)
  Glossary (Programming Perl)
  lexical; ${^WARNING_BITS}: 28.2. Special Variables in Alphabetical Order (Programming Perl)
  about undefined values: 4. Statements and Declarations (Programming Perl)
  bad filehandles and: 11.2.2. Bad Filehandles (Learning Perl)
  customizing: 12.15.1. Problem (Perl Cookbook)
  disabling unconditionally and permanently: 19.1.3. Switches (Programming Perl)
  enabling: 2.4. Using require (Learning Perl Objects, References and Modules)
    A.3.1. Exercise 1 (Section 4.9.1) (Learning Perl Objects, References and Modules)
  modules for: 32.1.15. Warnings and Exceptions (Programming Perl)
  about remaining references to tied objects: 14.5. A Subtle Untying Trap (Programming Perl)
  reporting like built-ins: 12.14.1. Problem (Perl Cookbook)
  verbosity, forcing in: 32.1.13. Perl Language Extensions and Internals (Programming Perl)
  warn function for: 11.3.1. Warning Messages with warn (Learning Perl)
warnings module: 32.1.15. Warnings and Exceptions (Programming Perl)
warnings pragma: B.6.6. The warnings Pragma (Learning Perl)
  4.9.1. Controlling Warnings (Programming Perl)
warnings::enabled( ): 12.15.2. Solution (Perl Cookbook)
warnings::register pragma: 12.15.3. Discussion (Perl Cookbook)
warnLevel option (debugger): 20.3.3. Debugger Options (Programming Perl)
watch expressions: 20.2.3. Tracing (Programming Perl)
  Glossary (Programming Perl)
watch points, placing on Perl variables: 14.6. Tie Modules on CPAN (Programming Perl)
wc program: 8.2.2. Solution (Perl Cookbook)
W3C (World Wide Web Consortium): 22.. Schemas (Perl Cookbook)
weak references: 10.6. Weakening the Argument (Learning Perl Objects, References and Modules)
  8.5.2. Garbage Collection, Circular References, and Weak References (Programming Perl)
weaken( ): 11.15.3. Description (Perl Cookbook)
WeakRef module: 11.15.3. Description (Perl Cookbook)
  10.6. Weakening the Argument (Learning Perl Objects, References and Modules)
  12.6.1. Garbage Collection with DESTROY Methods (Programming Perl)
weather, Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
Web
  CGI programs and: B.16. The Common Gateway Interface (CGI) (Learning Perl)
  running programs over: 1.4.3. But How Do I Compile Perl? (Learning Perl)
  socket-support and: B.13.2. Sockets (Learning Perl)
web access, LWP library for: 20. The LWP Library (Perl in a Nutshell)
web architecture: 19.. Architecture (Perl Cookbook)
web automation: 20.. Introduction (Perl Cookbook)
  converting ASCII to and from HTML: 20.4.1. Problem (Perl Cookbook)
  extracting
    table data: 20.19.1. Problem (Perl Cookbook)
    URLs from HTML: 20.3.1. Problem (Perl Cookbook)
  fetching
    https:// web pages: 20.16.1. Problem (Perl Cookbook)
    password-protected pages: 20.15.1. Problem (Perl Cookbook)
    URLs: 20.1.1. Problem (Perl Cookbook)
  finding stale or fresh links: 20.7.1. Problem (Perl Cookbook)
  HTML
    forms, submitting: 20.2.1. Problem (Perl Cookbook)
    parsing: 20.18.1. Problem (Perl Cookbook)
    removing or extracting tags: 20.6.1. Problem (Perl Cookbook)
    templates: 20.9.1. Problem (Perl Cookbook)
    text substitutions: 20.20. Program: htmlsub (Perl Cookbook)
  htmlsub program: 20.20. Program: htmlsub (Perl Cookbook)
  mirroring web pages: 20.10.1. Problem (Perl Cookbook)
  resuming HTTP GET: 20.17.1. Problem (Perl Cookbook)
  robots: 20.11.1. Problem (Perl Cookbook)
  server logs
    parsing: 20.12.1. Problem (Perl Cookbook)
    processing: 20.13.1. Problem (Perl Cookbook)
  using cookies: 20.14.1. Problem (Perl Cookbook)
web browsers (see browsers)
web client, creating: 20.2.2. LWP::Simple (Perl in a Nutshell)
web documents, virtual: 9.1.2. Creating Virtual Documents (Perl in a Nutshell)
web pages
  https://: 20.16.1. Problem (Perl Cookbook)
  modified, links in: 20.8.1. Problem (Perl Cookbook)
  password-protected: 20.15.1. Problem (Perl Cookbook)
web, Perl modules for: 32.1.9. World Wide Web (Programming Perl)
web, references on: 19.. Web-Related Resources (Perl Cookbook)
web server programming: 11. Web Server Programmingwith mod_perl (Perl in a Nutshell)
web servers
  log files, Common Log Format: 20.12.3. Discussion (Perl Cookbook)
  logs
    parsing: 20.12.1. Problem (Perl Cookbook)
    processing: 20.13.1. Problem (Perl Cookbook)
  performance, improving: 21.12.1. Problem (Perl Cookbook)
web services
  SOAP client: 18.14.1. Problem (Perl Cookbook)
  SOAP server: 18.13.1. Problem (Perl Cookbook)
  XML-RPC server: 18.11.1. Problem (Perl Cookbook)
weekearly program: 8.13.3. Discussion (Perl Cookbook)
Week_Number( ): 3.6.2. Solution (Perl Cookbook)
weeks (see date and time values)
weighted_rand( ): 2.9.2. Solution (Perl Cookbook)
which_dbm utility: 16.1. DBM Files and DBM Hashes (Learning Perl)
while control structure: 2.10. The while Control Structure (Learning Perl)
  for control structure and: 10.7. The for Control Structure (Learning Perl)
  naked block control structure and: 10.4. The Naked Block Control Structure (Learning Perl)
  shortcut for: 6.1. Input from Standard Input (Learning Perl)
  until control structure for reversing: 10.2. The until Control Structure (Learning Perl)
  using each function with: 5.3.2. The each Function (Learning Perl)
while loop
  eof function in: 29.2.31. eof (Programming Perl)
  traversing hashes: 5.5.2. Solution (Perl Cookbook)
  4.3.1.1. while loops (Perl in a Nutshell)
  1.6.2.1. The while and until statements (Programming Perl)
  4.4.1. while and until Statements (Programming Perl)
  angle operator and $_: 2.11.2. Line Input (Angle) Operator (Programming Perl)
while modifier: 10.3. Expression Modifiers (Learning Perl)
  10.3. Expression Modifiers (Learning Perl)
  15.3.1. Using sprintf with "Money Numbers" (Learning Perl)
  4.3.1.4. Modifiers (Perl in a Nutshell)
  4.1. Simple Statements (Programming Perl)
while statements: 1.5.5. Logical Operators (Programming Perl)
  Boolean context, supplying: 2.7.2. Boolean Context (Programming Perl)
  list assignment in: 2.8.1. List Assignment (Programming Perl)
whitespace: 1.4.2. What's Inside That Program? (Learning Perl)
  3.3.1. The qw Shortcut (Learning Perl)
  3.3. Dereferencing the Array Reference (Learning Perl Objects, References and Modules)
  4.7. Autovivification (Learning Perl Objects, References and Modules)
  1.7. Regular Expressions (Programming Perl)
  2.2. Molecules (Programming Perl)
  24.3. Programming with Style (Programming Perl)
  29. Functions (Programming Perl)
  Glossary (Programming Perl)
  cononicalizing in a variable: 5.2.3.1. Modifying strings en passant (Programming Perl)
  deleting leading or trailing: 1.19.1. Problem (Perl Cookbook)
  encoding into URLs: 9.2. URL Encoding (Perl in a Nutshell)
  expanding and compressing tabs: 1.11.1. Problem (Perl Cookbook)
  extracting ranges of lines: 6.8.1. Problem (Perl Cookbook)
  global replacements and: 9.6.1. Global Replacements with /g (Learning Perl)
  greater-than sign and: 11.2. Opening a Filehandle (Learning Perl)
  in format strings: 16.2. Manipulating Data with pack and unpack (Learning Perl)
  in pod documentation: 12.20.3. Discussion (Perl Cookbook)
  indenting here documents: 1.16.1. Problem (Perl Cookbook)
  leading, removing in here documents: 2.6.6. "Here" Documents (Programming Perl)
  matching
    within multiple lines: 6.6.1. Problem (Perl Cookbook)
    words: 6.3.1. Problem (Perl Cookbook)
  in Perl programs: 4.1. Program Structure (Perl in a Nutshell)
  quote characters, use in: 2.6.3. Pick Your Own Quotes (Programming Perl)
  \S (non-whitespace) character class: 4.6.4. Character Classes (Perl in a Nutshell)
  \s shortcut for: 8.1.1. Character Class Shortcuts (Learning Perl)
  sorted text in columns and: 4.19. Program: words (Perl Cookbook)
  sorting du command output: 5.17. Program: dutree (Perl Cookbook)
  split operator and: 9.7. The split Operator (Learning Perl)
  suppressing in formatted output: 4.12. Formats (Perl in a Nutshell)
  /x modifier in pattern matching: 5.2.1. Pattern Modifiers (Programming Perl)
whitespace characters, in formats: 7. Formats (Programming Perl)
whitespaces, use as variable name or delimiter for quote construct, changes in: 24.1.5. Previous Perl Traps (Programming Perl)
who command (Unix): 14.4.1. Using Backquotes in a List Context (Learning Perl)
whoami( ): 10.4.3. Discussion (Perl Cookbook)
whowasi( ): 10.4.3. Discussion (Perl Cookbook)
wide character APIs
  enabling Perl use of on target system: 19.1.3. Switches (Programming Perl)
  system calls using: 15.1. Building Character (Programming Perl)
wide, syscalls: 28.2. Special Variables in Alphabetical Order (Programming Perl)
${^WIDE_SYSTEM_CALLS}: 28.2. Special Variables in Alphabetical Order (Programming Perl)
widgets (Perl/Tk): 21.1. Widgets (Perl in a Nutshell)
  callbacks: 21.1.3. Callbacks (Perl in a Nutshell)
  colors and fonts: 21.1.4. Colors and Fonts (Perl in a Nutshell)
  common configuration options: 21.3. Common Widget Configuration Options (Perl in a Nutshell)
  geometry managers for: 21.2. Geometry Managers (Perl in a Nutshell)
  scrollbars: 21.1.2. Scrollbars (Perl in a Nutshell)
  widget methods: 21.1.1. Widget Methods (Perl in a Nutshell)
width
  character representation: 15.1. Building Character (Programming Perl)
  of numbers: 25.2. Endianness and Number Width (Programming Perl)
-width option: 21.3. Common Widget Configuration Options (Perl in a Nutshell)
  place geometry manager: 21.2.3. The place Geometry Manager (Perl in a Nutshell)
wildcard metasymbols: 5.3.3. Wildcard Metasymbols (Programming Perl)
  character classes and: 5.4.1. Custom Character Classes (Programming Perl)
    5.4.1. Custom Character Classes (Programming Perl)
wildcards for regular expressions: 4.6.2. Regular Expression Syntax (Perl in a Nutshell)
  anchors: 4.6.5. Anchors (Perl in a Nutshell)
  character classes: 4.6.4. Character Classes (Perl in a Nutshell)
  escaped sequences: 4.6.3. Escaped Sequences (Perl in a Nutshell)
  quantifiers: 4.6.6. Quantifiers (Perl in a Nutshell)
wildcards (shell) for regular expression matching: 6.9.1. Problem (Perl Cookbook)
`wimla,' diamond operator and: 6.2. Input from the Diamond Operator (Learning Perl)
Win32 modules: 22. Win32 Modules and Extensions (Perl in a Nutshell)
  Win32:AbortSystemShutdown( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:BuildNumber( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32::ChangeNotify module: 22.3. Win32::ChangeNotify (Perl in a Nutshell)
  Win32::Clipboard module: 22.1. Win32::Clipboard (Perl in a Nutshell)
  Win32::Console module: 22.2. Win32::Console (Perl in a Nutshell)
  Win32::CopyFile( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:DomainName( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32::Eventlog module: 22.4. Win32::Eventlog (Perl in a Nutshell)
  Win32:ExpandEnvironmentStrings( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32::File module: 22.5. Win32::File (Perl in a Nutshell)
  Win32::FileSecurity module: 22.6. Win32::FileSecurity (Perl in a Nutshell)
  Win32:FormatMessage( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:FreeLibrary( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:FsType( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetArchName( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetChipName( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetCwd( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetFullPathName( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetLastError( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetLongPathName( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetNextAvailDrive( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetOSVersion( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetProcAddress( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetShortPathName( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:GetTickCount( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:InitiateSystemShutdown( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32::Internet module: 22.7. Win32::Internet (Perl in a Nutshell)
  Win32::IPC module: 22.8. Win32::IPC (Perl in a Nutshell)
  Win32:IsWin95( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:IsWinNT( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:LoadLibrary( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:LoginName( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:LookupAccountName( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:LookupAccountSID( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:MsgBox( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32::Mutex module: 22.9. Win32::Mutex (Perl in a Nutshell)
  Win32::NetAdmin module: 22.10. Win32::NetAdmin (Perl in a Nutshell)
  Win32::NetResource module: 22.11. Win32::NetResource (Perl in a Nutshell)
  Win32:NodeName( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32::ODBC module: 24. ODBC Extension for Win32 (Perl in a Nutshell)
  Win32::OLE modules: 23. OLE Automation (Perl in a Nutshell)
  Win32::OLE::Const module: 23.5. Win32::OLE::Const (Perl in a Nutshell)
  Win32::OLE::Enum module: 23.3. Win32::OLE::Enum (Perl in a Nutshell)
  Win32:OLELastError( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32::OLE::Variant module: 23.4. Win32::OLE::Variant (Perl in a Nutshell)
  Win32::PerfLib module: 22.12. Win32::PerfLib (Perl in a Nutshell)
  Win32::Pipe module: 22.13. Win32::Pipe (Perl in a Nutshell)
  Win32::Process module: 22.14. Win32::Process (Perl in a Nutshell)
  Win32:RegisterServer( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32::Registry module: 22.15. Win32::Registry (Perl in a Nutshell)
  Win32::Semaphore module: 22.16. Win32::Semaphore (Perl in a Nutshell)
  Win32::Service module: 22.17. Win32::Service (Perl in a Nutshell)
  Win32:SetCwd( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:SetLastError( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32::Shortcut module: 22.18. Win32::Shortcut (Perl in a Nutshell)
  Win32:Sleep( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:Spawn( ): 22.19. Win32 Extensions (Perl in a Nutshell)
  Win32:UnregisterServer( ): 22.19. Win32 Extensions (Perl in a Nutshell)
Win32 systems
  command processing: 3.1. Command Processing (Perl in a Nutshell)
  installing Perl on: 2.3.2. Installing on Win32 (Perl in a Nutshell)
  pl2bat.bat: 3. The Perl Executable (Perl in a Nutshell)
Win32API::File module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32API::Net module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32API::Registry module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::ChangeNotify module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::Console module: 15.17.3. Description (Perl Cookbook)
  32.1.20. Microsoft-Related Modules (Programming Perl)
window( ) (Text widget): 21.11.2. Text Methods (Perl in a Nutshell)
Window( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
Windows (see Microsoft Windows)
Windows 95, Perl functionality on: 2.3.2.2. Standard Perl distribution (Perl in a Nutshell)
Windows clipboard: 22.1. Win32::Clipboard (Perl in a Nutshell)
Windows Registry: B.7.1. Direct System Database Access (Learning Perl)
Winer, Dave: 14.1. What Is SOAP? (Perl in a Nutshell)
Win32::Event module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::EventLog module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::File module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::FileSecurity module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::Internet module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::IPC module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::Mutex module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::NetAdmin module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::NetResource module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::ODBC module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::OLE: 23. OLE Automation (Perl in a Nutshell)
Win32::OLE module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::OLE::Const: 23. OLE Automation (Perl in a Nutshell)
Win32::OLE::Const module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::OLE::Enum: 23. OLE Automation (Perl in a Nutshell)
Win32::OLE::Enum module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::OLE::NLS module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::OLE::Variant: 23. OLE Automation (Perl in a Nutshell)
  methods: 23.4.1. Win32::OLE::Variant Methods (Perl in a Nutshell)
Win32::OLE::Variant module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::PerfLib module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::Pipe module: 16.3.4. Named Pipes (Programming Perl)
Win32::Process module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::Semaphore module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::Service module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::Sound module: 32.1.20. Microsoft-Related Modules (Programming Perl)
Win32::TieRegistry module: 14.6. Tie Modules on CPAN (Programming Perl)
  32.1.20. Microsoft-Related Modules (Programming Perl)
with( ) (Win32::OLE): 23.2.2. Win32::OLE Functions (Perl in a Nutshell)
withdraw( ) (Frame widget): 21.18.1. Toplevel Methods (Perl in a Nutshell)
WNetGetLastError( ) (Win32::NetResource): 22.11. Win32::NetResource (Perl in a Nutshell)
word-boundary anchors: 8.3.1. Word Anchors (Learning Perl)
word character: 1.7. Regular Expressions (Programming Perl)
word count, hashes and: 5.1.1. Why Use a Hash? (Learning Perl)
word lists: 2.8. List Values and Arrays (Programming Perl)
word processor, using instead of a text editor: 1.4. How Do I Make a Perl Program? (Learning Perl)
word-wrapping, Text::Wrap module for: B.5.11. The Text::Wrap Module (Learning Perl)
words: Glossary (Programming Perl)
  b assertion=\b assertion: 1.7.3. Nailing Things Down (Programming Perl)
  capturing: 5.2.2. The m// Operator (Matching) (Programming Perl)
  double, finding: 6.16.1. Problem (Perl Cookbook)
  fuzzy matching: 6.13.1. Problem (Perl Cookbook)
  lists of, doing programmable command completion on: 32.1.11. User Interfaces (Programming Perl)
  matching abbreviations: 6.20.1. Problem (Perl Cookbook)
  pattern matching: 6.3.1. Problem (Perl Cookbook)
  pluralizing, based on numbers: 2.17.1. Problem (Perl Cookbook)
  processing all in file: 8.3.1. Problem (Perl Cookbook)
  reversing: 1.7.1. Problem (Perl Cookbook)
  sorting into columns: 4.19. Program: words (Perl Cookbook)
  substitutions for specific: 1.23. Program: fixstyle (Perl Cookbook)
  text color, changing: 15.5.1. Problem (Perl Cookbook)
  wrapping paragraph text: 1.17.1. Problem (Perl Cookbook)
words program: 4.19. Program: words (Perl Cookbook)
words, \w shortcut for: 8.1.1. Character Class Shortcuts (Learning Perl)
wordstart, wordend modifiers (Text widget): 21.11.1. Text Indexes and Modifiers (Perl in a Nutshell)
working directory (see current directory)
  chdir operator for changing: 12.1. Moving Around the Directory Tree (Learning Perl)
  current, cwd function for determining: B.5.2. The Cwd Module (Learning Perl)
World Wide Web: 0.6.2. Usenet Newsgroups (Programming Perl)
World Wide Web Consortium (W3C): 22.. Schemas (Perl Cookbook)
World Wide Web (WWW) (see also web)
wrap function: B.5.11. The Text::Wrap Module (Learning Perl)
-wrap option (Text): 21.11. The Text Widget (Perl in a Nutshell)
-wraplength option (widgets): 21.3. Common Widget Configuration Options (Perl in a Nutshell)
wrappers: Glossary (Programming Perl)
  C, around set-id scripts: 23.2.1. Unix Kernel Security Bugs (Programming Perl)
wrapping paragraph text: 1.17.1. Problem (Perl Cookbook)
wrapping text: 8.209. Text::Wrap (Perl in a Nutshell)
  7.2.1. Accessing Formatting Internals (Programming Perl)
  32.1.2. String Processing, Language Text Processing, Parsing, and Searching (Programming Perl)
  Perl module for: 22.1. The CPAN modules Directory (Programming Perl)
writable file test operator: 1.5.7. Some File Test Operators (Programming Perl)
  3.10. Named Unary and File Test Operators (Programming Perl)
write( ): 4.12. Formats (Perl in a Nutshell)
  5. Function Reference (Perl in a Nutshell)
  16.4.2. Solution (Perl Cookbook)
  29.2.200. write (Programming Perl)
  format function, declaring named sequence of picture lines: 29.2.41. format (Programming Perl)
Write( ) (Win32::Console module): 22.2. Win32::Console (Perl in a Nutshell)
WriteAttr( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
WriteChar( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
WriteInput( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
WriteMakefile subroutine (ExtUtils::MakeMaker): 13.5. Controlling the Distribution with Makefile.PL (Learning Perl Objects, References and Modules)
WriteRect( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
writing
  data via low-level system call: 29.2.113. print (Programming Perl)
    29.2.114. printf (Programming Perl)
    29.2.175. syswrite (Programming Perl)
    29.2.200. write (Programming Perl)
  scripts (see scripts)
  to shared memory segment ID: 29.2.153. shmwrite (Programming Perl)
  signal handlers: 16.17.1. Problem (Perl Cookbook)
  XML: 22.10.1. Problem (Perl Cookbook)
writing distributions: 13. Writing a Distribution (Learning Perl Objects, References and Modules)
writing to files, and open mode: 29.2.104. open (Programming Perl)
wtmp file, adding records to: 8.24. Program: tailwtmp (Perl Cookbook)
www.perl.com and www.perl.org sites: 1.4.5. www.perl.com (Perl in a Nutshell)

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