Index: V

Symbols & Numbers
| 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: V
- v command (Perl debugger):  6.2. Debugger Commands (Perl in a Nutshell)
- -V option
- 
  
  - dprofpp:  6.5. The Perl Profiler (Perl in a Nutshell)
 
- v-strings,
  in $^V:  28.2. Special Variables in Alphabetical Order (Programming Perl)
- v-strings (vector or version):  2.6.7. V-String Literals (Programming Perl)
- 
  - Glossary (Programming Perl)
 
- -V (version) command-line switch:  19.1.3. Switches (Programming Perl)
- validation( ):  22.5.3. Discussion (Perl Cookbook)
- valof( ) (Win32::OLE):  23.2.2. Win32::OLE Functions (Perl in a Nutshell)
- -value option
- 
  
  - Menubutton widget:  21.14.1. Menu Item Options (Perl in a Nutshell)
- Radiobutton widget:  21.6. The Radiobutton Widget (Perl in a Nutshell)
 
- Value( ) (Win32::OLE::Variant):  23.4.1. Win32::OLE::Variant Methods (Perl in a Nutshell)
- values 
  
- 
  - arrays (see arrays)
- changing while copying: Glossary (Programming Perl)
- comma-separated
- 
    
    - initializing arrays with:  4.1.2. Solution (Perl Cookbook)
- parsing:  1.20.1. Problem (Perl Cookbook)
 
- converting strings between:  1.4.1. Problem (Perl Cookbook)
- definedness:  1.. Introduction (Perl Cookbook)
- 
    -  1.2.3. Discussion (Perl Cookbook)
 
- exchanging between scalar variables:  1.3.1. Problem (Perl Cookbook)
- false:  1.. Introduction (Perl Cookbook)
- hashes, sorting:  29.2.79. keys (Programming Perl)
- list (see list values)
- list, assigning to variables:  3.4. List Assignment (Learning Perl)
- of short-circuit logical operators:  10.9.1. The Value of a Short-Circuit Operator (Learning Perl)
- referencing:  8.1. What Is a Reference? (Programming Perl)
- saving using local operator:  4.7. The local Operator (Learning Perl)
- scalar (see scalar values)
- scalar, assigning to variables:  2.5.2. Scalar Assignment (Learning Perl)
- scope, confining to:  4.8.1. Scoped Variable Declarations (Programming Perl)
- undefined, truth value of:  1.6.1. What Is Truth? (Programming Perl)
- undefining:  29.2.187. undef (Programming Perl)
- variables vs.:  1.2. Natural and Artificial Languages (Programming Perl)
 
- values( ), traversing hashes:  5.5.3. Discussion (Perl Cookbook)
- Values( ) (Data::Dumper)):  8.50. Data::Dumper (Perl in a Nutshell)
- values function:  5.3.1. The keys and values Functions (Learning Perl)
- 
  -  14.3.1. Hash-Tying Methods (Programming Perl)
-  29.2.194. values (Programming Perl)
 
- variable interpolation:  2.3.2. Double-Quoted String Literals (Learning Perl)
- 
  -  2.6.1. Interpolation of Scalar Variables into Strings (Learning Perl)
-  2.6.1. Interpolation of Scalar Variables into Strings (Learning Perl)
-  2.6.2. String Literals (Programming Perl)
- glob operator, using:  2.11.3. Filename Globbing Operator (Programming Perl)
 
- variable-length parameter lists:  4.8. Variable-length Parameter Lists (Learning Perl)
- variable-length records:  7. Formats (Programming Perl)
- variable-length text databases:  16.4. Variable-length (Text) Databases (Learning Perl)
- variable-length text fields:  8.9.1. Problem (Perl Cookbook)
- variable-length UTF-8 characters:  15.1. Building Character (Programming Perl)
- -variable option
- 
  
  - Checkbutton widget:  21.5. The Checkbutton Widget (Perl in a Nutshell)
- Menubutton widget:  21.14.1. Menu Item Options (Perl in a Nutshell)
- Optionmenu widget:  21.16. The Optionmenu Widget (Perl in a Nutshell)
- Radiobutton widget:  21.6. The Radiobutton Widget (Perl in a Nutshell)
- Scale widget:  21.13. The Scale Widget (Perl in a Nutshell)
 
- variables:  2.5. Scalar Variables (Learning Perl)
- 
  -  4.2.5. Variables (Perl in a Nutshell)
-  9.1. A Horse Is a Horse, of Course of Course—or Is It? (Learning Perl Objects, References and Modules)
-  2.3. Built-in Data Types (Programming Perl)
-  2.4. Variables (Programming Perl)
-  3.1. Terms and List Operators (Leftward) (Programming Perl)
-  8. References (Programming Perl)
-  8.3.1. Using a Variable as a Variable Name (Programming Perl)
- altering:  2.5.3. Binary Assignment Operators (Learning Perl)
- anonymous:  8.2.2. Anonymous Data (Programming Perl)
- array:  2.6.5. Interpolating Array Values (Programming Perl)
- assigning list values to:  3.4. List Assignment (Learning Perl)
- assigning scalar values to:  2.5.2. Scalar Assignment (Learning Perl)
- attributes, getting and setting:  32.1.13. Perl Language Extensions and Internals (Programming Perl)
- binding to packages:  29.2.191. untie (Programming Perl)
- bless operator:  9.1. A Horse Is a Horse, of Course of Course—or Is It? (Learning Perl Objects, References and Modules)
- builtin:  9.5.2. The Automatic Match Variables (Learning Perl)
- B::Xref module, cross-references with C:  18.6. Code Development Tools (Programming Perl)
- callbacks and:  6.4. Closures (Learning Perl Objects, References and Modules)
- 
    -  6.5. Returning a Subroutine from a Subroutine (Learning Perl Objects, References and Modules)
 
- class:  12.8. Managing Class Data (Programming Perl)
- class variables:  10.5. Using Class Variables (Learning Perl Objects, References and Modules)
- closure variables:  6.7. Closure Variables as Static Local Variables (Learning Perl Objects, References and Modules)
- condition variables:  17.2.2.6. Condition variables (Programming Perl)
- constants:  1.21.1. Problem (Perl Cookbook)
- control, in foreach loop:  4.4.3. foreach Loops (Programming Perl)
- debugger, customizing:  20.3.2. Customizing with Init Files (Programming Perl)
- declaration and scope:  4.2.7. Declarations and Scope (Perl in a Nutshell)
- 
    -  4.7.4. Private and Local Variables (Perl in a Nutshell)
- scoping functions:  5.1. Perl Functions by Category (Perl in a Nutshell)
 
- declaring:  1.4.2. What's Inside That Program? (Learning Perl)
- 
    -  4. Statements and Declarations (Programming Perl)
-  4.8.1. Scoped Variable Declarations (Programming Perl)
 
- declaring global:  4.8.3. Lexically Scoped Global Declarations: our (Programming Perl)
- default values for:  1.2.1. Problem (Perl Cookbook)
- dumping with V command:  10.1. Symbol Tables (Programming Perl)
- environment:  14.3. The Environment Variables (Learning Perl)
- 
    -  28.2. Special Variables in Alphabetical Order (Programming Perl)
 
- expanding in user input:  1.12.1. Problem (Perl Cookbook)
- filehandles and:  11.7. References to Filehandles (Learning Perl Objects, References and Modules)
- filehandles in:  7.5.1. Problem (Perl Cookbook)
- format:  7.1. Format Variables (Programming Perl)
- fully-qualified, accessing from outside package:  23.3.1.1. Restricting namespace access (Programming Perl)
- functions private for:  12.5.1. Problem (Perl Cookbook)
- global (see global)
- global variables:  2.9. Packages and Lexicals (Learning Perl Objects, References and Modules)
- 
    -  6.6. Closure Variables as Inputs (Learning Perl Objects, References and Modules)
-  10. Object Destruction (Learning Perl Objects, References and Modules)
 
- hash:  2.9. Hashes (Programming Perl)
- initializing before calling subroutines:  6.2.3. Scoping Issues (Programming Perl)
- interpolating
- 
    
    - with double quotes:  5.2. Pattern-Matching Operators (Programming Perl)
- into patterns:  5.2. Pattern-Matching Operators (Programming Perl)
 
- interpolation:  1.2.1.1. Singularities (Programming Perl)
- 
    
    - pattern matching, controlling with:  5.9.2. Variable Interpolation (Programming Perl)
 
- lexical scoping:  29.2.99. my (Programming Perl)
- local
- 
    
    - common programming errors with:  24.1.1. Universal Blunders (Programming Perl)
- my declarations, using instead of local function:  24.1.2. Frequently Ignored Advice (Programming Perl)
 
- local vs. private:  4.2.7. Declarations and Scope (Perl in a Nutshell)
- 
    -  4.7.4. Private and Local Variables (Perl in a Nutshell)
 
- localizing existing:  29.2.87. local (Programming Perl)
- loop (iterator) variables:  4.5.3. Discussion (Perl Cookbook)
- magic, creating:  13.15.1. Problem (Perl Cookbook)
- match:  9.5. The Match Variables (Learning Perl)
- member variables:  9.1. A Horse Is a Horse, of Course of Course—or Is It? (Learning Perl Objects, References and Modules)
- 
    -  9.8. More Interesting Instances (Learning Perl Objects, References and Modules)
 
- memory addresses of:  3.2. Taking a Reference to an Array (Learning Perl Objects, References and Modules)
- meta-variables:  10.5. Using Class Variables (Learning Perl Objects, References and Modules)
- modules and:  12. Using Modules (Learning Perl Objects, References and Modules)
- modules, exporting to programs:  11.2.1. Module Privacy and the Exporter (Programming Perl)
- my (see my declarations)
- 
    -  8.3.6. Other Tricks You Can Do with Hard References (Programming Perl)
-  10. Packages (Programming Perl)
 
- my variables:  2.3. Using do (Learning Perl Objects, References and Modules)
- 
    -  2.8. Scope of a Package Directive (Learning Perl Objects, References and Modules)
 
- names for:  1.2.1. Variable Syntax (Programming Perl)
- 
    -  24.3. Programming with Style (Programming Perl)
 
- names in nested symbol tables:  2.5. Names (Programming Perl)
- names of enclosed in curly braces:  2.6.1. Interpolation of Scalar Variables into Strings (Learning Perl)
- our (see our declarations)
- our variables:  8.5. A Few Notes About @ISA (Learning Perl Objects, References and Modules)
- out of scope:  6.4. Closures (Learning Perl Objects, References and Modules)
- 
    -  6.4. Closures (Learning Perl Objects, References and Modules)
-  6.5. Returning a Subroutine from a Subroutine (Learning Perl Objects, References and Modules)
-  6.5. Returning a Subroutine from a Subroutine (Learning Perl Objects, References and Modules)
-  6.6. Closure Variables as Inputs (Learning Perl Objects, References and Modules)
-  6.7. Closure Variables as Static Local Variables (Learning Perl Objects, References and Modules)
 
- package, displaying:  20.2.4. Display (Programming Perl)
- package, memory usage:  20.3.3. Debugger Options (Programming Perl)
- package names:  8.2. Introducing the Method Invocation Arrow (Learning Perl Objects, References and Modules)
- package variables:  2.5. Names (Programming Perl)
- packages, associating with:  10. Packages (Programming Perl)
- pattern match variables:  4.6.7. Pattern Match Variables (Perl in a Nutshell)
- Perl vs. C, names of:  24.1.3. C Traps (Programming Perl)
- persistent private, for subroutines:  10.3.1. Problem (Perl Cookbook)
- private (see local variables)
- private, for modules:  12.4.1. Problem (Perl Cookbook)
- private, for subroutines:  10.2.1. Problem (Perl Cookbook)
- reference removal and:  4.2. What if That Was the Name? (Learning Perl Objects, References and Modules)
- 
    -  4.2. What if That Was the Name? (Learning Perl Objects, References and Modules)
 
- repeated substitutions, performing on:  5.2.3.1. Modifying strings en passant (Programming Perl)
- as repository of values:  6. Subroutine References (Learning Perl Objects, References and Modules)
- resetting values of:  29.2.130. reset (Programming Perl)
- scalar and list context:  4.2.6. Scalar and List Contexts (Perl in a Nutshell)
- scalars (see scalars)
- scoped,
    lexical scope:  4.8.2. Lexically Scoped Variables: my (Programming Perl)
- scoping, strict pragma, use of:  1.2.1.4. Simplicities (Programming Perl)
- sharing among different processes:  16.12.1. Problem (Perl Cookbook)
- shell programming, Perl vs.:  24.1.4. Shell Traps (Programming Perl)
- special:  28.1.6. Per-Package Special Functions (Programming Perl)
- special (predefined):  4.4. Special Variables (Perl in a Nutshell)
- static local:  6.7. Closure Variables as Static Local Variables (Learning Perl Objects, References and Modules)
- strings (see strings)
- strings of, matching against known strings:  5.9.2. Variable Interpolation (Programming Perl)
- taint and:  23.1. Handling Insecure Data (Programming Perl)
- tied:  B.21. Tied Variables (Learning Perl)
- translating with:  5.2.4. The tr/// Operator (Transliteration) (Programming Perl)
- tying:  14. Tied Variables (Programming Perl)
- 
    -  29.2.178. tie (Programming Perl)
- arrays:  14.2. Tying Arrays (Programming Perl)
- filehandles:  14.4. Tying Filehandles (Programming Perl)
- hashes:  14.3. Tying Hashes (Programming Perl)
- scalars:  14.1. Tying Scalars (Programming Perl)
- untying trap:  14.5. A Subtle Untying Trap (Programming Perl)
 
- undef value and:  2.11. The undef Value (Learning Perl)
- uninitialized:  1.2.1.1. Singularities (Programming Perl)
- value of, saving:  4.7. The local Operator (Learning Perl)
- values, assignment and:  1.5.3. Assignment Operators (Programming Perl)
- values vs.:  1.2. Natural and Artificial Languages (Programming Perl)
- watch points, placing on:  14.6. Tie Modules on CPAN (Programming Perl)
 
- variadic functions in Perl:  6.2. Semantics (Programming Perl)
- Variant data structure:  23.4. Win32::OLE::Variant (Perl in a Nutshell)
- vars modle (obsolete):  32.1.13. Perl Language Extensions and Internals (Programming Perl)
- vars module:  8.232. vars (Perl in a Nutshell)
- vars pragma:  B.6.5. The vars Pragma (Learning Perl)
- vec( ):  5. Function Reference (Perl in a Nutshell)
- vec function:  29.2.195. vec (Programming Perl)
- vec operator:  B.11. Bits and Pieces (Learning Perl)
- vectors, strings as:  29.2.162. sprintf (Programming Perl)
- 
  -  29.2.195. vec (Programming Perl)
 
- verbatim paragraphs (pod):  4.13. Pod (Perl in a Nutshell)
- -verbose option (perlcc):  3.4. The Perl Compiler (Perl in a Nutshell)
- verbosity
- 
  
  - debugger, setting levels of:  20.3.3. Debugger Options (Programming Perl)
- warnings, forcing in:  32.1.13. Perl Language Extensions and Internals (Programming Perl)
 
- verbs:  1.2.2. Verbs (Programming Perl)
- verbs, packages, handling of:  1.2.1.4. Simplicities (Programming Perl)
- verify( ) (Net::SMTP):  16.1.2.1. Net::SMTP methods (Perl in a Nutshell)
- version
- 
  
  -  of Perl ($^V):  28.2. Special Variables in Alphabetical Order (Programming Perl)
- module, checking for:  11.2.1.2. Version checking (Programming Perl)
- of Perl
- 
    
    - placing in #! line:  19.1. Command Processing (Programming Perl)
- specifying:  19.1.2. Location of Perl (Programming Perl)
 
 
- VERSION( ):  13.9.3. Discussion (Perl Cookbook)
- VERSION method:  12.5.3. UNIVERSAL: The Ultimate Ancestor Class (Programming Perl)
- version method (Net::LDAP):  19.4. Net::LDAP Methods (Perl in a Nutshell)
- version numbers:  13.3. The Prototype Module Itself (Learning Perl Objects, References and Modules)
- 
  -  15.3. Preparing Your Distribution (Learning Perl Objects, References and Modules)
 
- version, Perl:  28.2. Special Variables in Alphabetical Order (Programming Perl)
- $VERSION variable:  13.9. Trivial make dist (Learning Perl Objects, References and Modules)
- $VERSION variable (use pragma):  12.1.3. Discussion (Perl Cookbook)
- Version( ) (Win32::Internet):  22.7.1. General Internet Methods (Perl in a Nutshell)
- versions of Perl
- 
  
  
    
    - changes between release 4 and 5:  24.1.5. Previous Perl Traps (Programming Perl)
- obtaining current:  2.1. The CPAN Architecture (Perl in a Nutshell)
- for Win32 systems:  2.3.2. Installing on Win32 (Perl in a Nutshell)
 
- versions of Perl modules:  2.4.1. Locating Modules (Perl in a Nutshell)
- vertical bar (|)
- 
  
  - ||= (assignment) operator:  1.2.2. Solution (Perl Cookbook)
- 
    -  4.5.6. Assignment Operators (Perl in a Nutshell)
 
- || operator
- 
    
    - vs. or operator:  1.2.3. Discussion (Perl Cookbook)
- separating multiple comparisons:  4.16.3. Discussion (Perl Cookbook)
 
- format fieldholders:  4.12. Formats (Perl in a Nutshell)
- OR bitwise operator:  4.5.10. Bitwise Operators (Perl in a Nutshell)
- Perl debugger command:  6.2. Debugger Commands (Perl in a Nutshell)
- regular expression metacharacter:  4.6.2. Regular Expression Syntax (Perl in a Nutshell)
- |= (assignment) operator:  4.5.6. Assignment Operators (Perl in a Nutshell)
- || Perl debugger command:  6.2. Debugger Commands (Perl in a Nutshell)
 
- vi editor
- 
  
  - debugger, support for:  20.3.1. Editor Support for Debugging (Programming Perl)
- regular expressions, use of:  1.7. Regular Expressions (Programming Perl)
 
- vi text editor:  1.4. How Do I Make a Perl Program? (Learning Perl)
- video, Perl modules for:  22.1. The CPAN modules Directory (Programming Perl)
- viewing data
- 
  
  - Data::Dumper:  5.2. Viewing Complex Data with Data::Dumper (Learning Perl Objects, References and Modules)
- 
    -  5.2. Viewing Complex Data with Data::Dumper (Learning Perl Objects, References and Modules)
 
- with debugger:  5.1. Using the Debugger to View Complex Data (Learning Perl Objects, References and Modules)
 
- virtual circuits (as TCP streams):  16.5. Sockets (Programming Perl)
- virtual machine, Perl:  18.3. Executing Your Code (Programming Perl)
- virtual web documents:  9.1.2. Creating Virtual Documents (Perl in a Nutshell)
- visual bell:  15.7.3. Discussion (Perl Cookbook)
- -visual option
- 
  
  - Frame widget:  21.17. The Frame Widget (Perl in a Nutshell)
- toplevel widget:  21.18. The Toplevel Widget (Perl in a Nutshell)
 
- VMS operating system
- 
  
  - File::Spec::VMS module:  32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
- invoking Perl applications on:  19.1.1. #! and Quoting on Non-Unix Systems (Programming Perl)
 
- vmsish module:  8.233. vmsish (Perl in a Nutshell)
- void context:  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)
-  9.10. Getting Your Deposit Back (Learning Perl Objects, References and Modules)
-  1.5.4. Unary Arithmetic Operators (Programming Perl)
-  2.7.3. Void Context (Programming Perl)
-  2.8.1. List Assignment (Programming Perl)
-  29.2.198. wantarray (Programming Perl)
- Glossary (Programming Perl)
- recognizing in debugger:  20.1. Using the Debugger (Programming Perl)
 
- vowel sounds, classifying syllabaries according to:  5.4.3.2. Standard Unicode properties (Programming Perl)
- VRFY command:  18.16. Program: expn and vrfy (Perl Cookbook)
- vrfy program:  18.16. Program: expn and vrfy (Perl Cookbook)
- VRML, Perl modules for:  22.1. The CPAN modules Directory (Programming Perl)
- Vromans, Johan:  1.3.3. Are There Any Other Kinds of Support? (Learning Perl)
Symbols & Numbers
| 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
 
  Copyright © 2004 O'Reilly & Associates, Inc. All Rights Reserved.