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Index: V

• v-strings
• • in $^V: Special Variables in Alphabetical Order
  • V-String Literals
• -v (version) command-line switch: Switches
• values
• • arrays (see arrays)
  • hashes, sorting: keys
  • list (see list values)
  • referencing: What Is a Reference?
  • scalar (see scalar values)
  • scope, confining to: Scoped Variable Declarations
  • undefined, truth value of: What Is Truth?
  • undefining: undef
  • variables vs.: Natural and Artificial Languages
• values function: Hash-Tying Methods
• • values
• variable interpolation: String Literals
• • glob operator, using: Filename Globbing Operator
• variable-length records: Formats
• variable-length UTF-8 characters: Building Character
• variables: Built-in Data Types
• • Variables
  • Terms and List Operators (Leftward)
  • References
  • Using a Variable as a Variable Name
  • anonymous: Anonymous Data
  • array: Interpolating Array Values
  • attributes, getting and setting: Perl Language Extensions and Internals
  • binding to packages: untie
  • B::Xref module, cross-references with C: Code Development Tools
  • class: Managing Class Data
  • condition variables: Condition variables
  • control, in foreach loop: foreach Loops
  • debugger, customizing: Customizing with Init Files
  • declaring: Statements and Declarations
  • • Scoped Variable Declarations
  • declaring global: Lexically Scoped Global Declarations: our
  • dumping with V command: Symbol Tables
  • environment: Special Variables in Alphabetical Order
  • format: Format Variables
  • fully-qualified, accessing from outside package: Restricting namespace access
  • global (see global)
  • hash: Hashes
  • initializing before calling subroutines: Scoping Issues
  • interpolating
  • • with double quotes: Pattern-Matching Operators
    • into patterns: Pattern-Matching Operators
  • interpolation: Singularities
  • • pattern matching, controlling with: Variable Interpolation
  • lexical scoping: my
  • local
  • • common developing errors with: Universal Blunders
    • my declarations, using instead of local function: Frequently Ignored Advice
  • localizing existing: local
  • modules, exporting to programs: Module Privacy and the Exporter
  • my (see my declarations)
  • • Other Tricks You Can Do with Hard References
    • Packages
  • names for: Variable Syntax
  • • Developing with Style
  • names in nested symbol tables: Names
  • our (see our declarations)
  • package, displaying: Display
  • package, memory usage: Debugger Options
  • package variables: Names
  • packages, associating with: Packages
  • Perl vs. C, names of: Traps
  • private (see local variables)
  • repeated substitutions, performing on: Modifying strings en passant
  • resetting values of: reset
  • scoped, lexical scope: Lexically Scoped Variables: my
  • scoping, strict pragma, use of: Simplicities
  • shell developing, Perl vs.: Shell Traps
  • special: Per-Package Special Functions
  • strings of, matching against known strings: Variable Interpolation
  • taint and: Handling Insecure Data
  • translating with: The tr/// Operator (Transliteration)
  • tying: Tied Variables
  • • tie
    • arrays: Tying Arrays
    • filehandles: Tying Filehandles
    • hashes: Tying Hashes
    • scalars: Tying Scalars
    • untying trap: Subtle Untying Trap
  • uninitialized: Singularities
  • values, assignment and: Assignment Operators
  • values vs.: Natural and Artificial Languages
  • watch points, placing on: Tie Modules on CPAN
• variadic functions in Perl: Semantics
• vars modle (obsolete): Perl Language Extensions and Internals
• vec function: vec
• vectors, strings as: sprintf
• • vec
• verbosity
• • debugger, setting levels of: Debugger Options
  • warnings, forcing in: Perl Language Extensions and Internals
• verbs: Verbs
• verbs, packages, handling of: Simplicities
• versions, Perl Special Variables in Alphabetical Order
• • of Perl ($^V): Special Variables in Alphabetical Order
  • module, checking for: Version checking
  • changes between release 4 and 5: Previous Perl Traps
  • placing in #! line: Command Processing
  • specifying: Location of Perl
• VERSION method: UNIVERSAL: The Ultimate Ancestor Class
• vi editor
• • debugger, support for: Editor Support for Debugging
  • regular expressions, use of: Regular Expressions
• video, Perl modules for: The CPAN modules Directory
• virtual circuits (as TCP streams): Sockets
• virtual machine, Perl: Executing Your Code
• VMS operating system
• • File::Spec::VMS module: Filenames, Filesystems, and File Locking
  • invoking Perl applications on: #! and Quoting on Non-Unix Systems
• void context: Unary Arithmetic Operators
• • Void Context
  • List Assignment
  • wantarray
  • recognizing in debugger: Using the Debugger
• vowel sounds, classifying syllabaries according to: Standard Unicode properties
• VRML, Perl modules for: The CPAN modules Directory

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