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# Index: W

w command (debugger)
  8.1.1. Debugger Commands
  8.1.2. Using the Debugger
-w file test operator : 2.5.10. Named Unary and File Test Operators
-W file test operator : 2.5.10. Named Unary and File Test Operators
\w (forward character) : 1.7. Regular Expressions
-w switch, perl
  2.9.4. Global Special Arrays
  6.1.2. Switches
  9. Diagnostic Messages
  diagnostics module : 7.2.10. diagnostics - Force Verbose Warning Diagnostics
wait function
  2.9.3. Global Special Variables
  3.2.189. wait
waitpid function : 3.2.190. waitpid
wantarray function : 3.2.191. wantarray
warn function : 3.2.192. warn
__WARN__ token : 2.9.4. Global Special Arrays
$WARNING : (see $ variables, $^W variable)
warning messages
  2.9.4. Global Special Arrays
  3.2.192. warn
  6.1.2. Switches
  9. Diagnostic Messages
  diagnostics module : 7.2.10. diagnostics - Force Verbose Warning Diagnostics
while loops
  1.6.2.1. The while and until statements
  2.6.4.1. While statements
  angle operator and $_ : 2.3.7.2. Line input (angle) operator
  eof function in : 3.2.31. eof
whitespace
  1.7. Regular Expressions
  2.1. Lexical Texture
  3. Functions
  8.4. Programming with Style
  /x modifier : 2.4. Pattern Matching
wildcard : (see glob operator)
word character : 1.7. Regular Expressions
words
  (see also characters)
  2.4. Pattern Matching
  \b assertion
    1.7.3. Nailing Things Down
    2.4.1.2. The rules of regular expression matching
    2.4.1.3. The fine print
World Wide Web : Usenet Newsgroups
wrap() : 7.2.71. Text::Wrap - Wrap Text into a Paragraph
wrapper programs : 6.3.1.3. Security bugs
wrapsuid program : 6.3.1.3. Security bugs
write function : 3.2.193. write
writemain() : 7.2.20. ExtUtils::Miniperl - Write the C Code for perlmain.c
WriteMakefile() : 7.2.18. ExtUtils::MakeMaker - Create a Makefile for a Perl Extension
writespace : 7.2.70. Text::Tabs - Expand and Unexpand Tabs
writing
  data via low-level system call
    3.2.110. print
    3.2.111. printf
    3.2.168. syswrite
    3.2.193. write
  Makefiles : 7.2.18. ExtUtils::MakeMaker - Create a Makefile for a Perl Extension
  MANIFEST file : 7.2.19. ExtUtils::Manifest - Utilities to Write and Check a MANIFEST File
  permission for processes : 7.2.39. IPC::Open2 - Open a Process for Both Reading and Writing
  scripts : (see scripts)
  to shared memory segment ID : 3.2.147. shmwrite

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