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Index: R

• -r operator : The -x File Tests
• rand( ) : Exercises
• • example of : Arrays and List Data
• random access, seek( ) and : Fixed-Length Random-Access Databases
• ranges of characters : Single-Character Patterns
• read( ) : Fixed-Length Random-Access Databases
• readdir( ) : Reading a Directory Handle
• reading data from a command : Using Processes as Filehandles
• reading from a file : Using Filehandles
• reading from standard input : Input from STDIN
• reading Registry values : Opening and Reading Registry Values
• redo operator : The redo Statement
• regedit.exe, regedt32.exe utilities : The Registry
• Registry module
• • System Information
  • Win32 Extensions
• Registry package
• • The Registry
  • The Registry Structure
• Registry, Windows : The Registry
• regular expressions
• • Handling Varying Input Formats
  • Concepts About Regular Expressions
  • alternation in : Alternation
  • anchoring in : Anchoring Patterns
  • backtracking in : Multipliers
  • character classes in : Single-Character Patterns
  • compared with globbing : Globbing
  • example of
  • • Making It Fair for the Rest
    • Making It a Bit More Modular
    • The last Statement
  • extended syntax : Additional Regular Expression Features
  • grouping patterns of : Grouping Patterns
  • non-special characters of : Single-Character Patterns
  • precedence in : Precedence
  • split( ) and : The split Function
  • variable interpolation : Using Variable Interpolation
• removing a file : Removing a File
• removing characters : Transliteration
• removing the last character : The chop( ) and chomp( ) Functions
• rename command (Windows) : Renaming a File
• rename( )
• • Making Those Old Word Lists More Noticeable
  • Renaming a File
  • example of : File and Directory Manipulation
• renaming files : Renaming a File
• • examples of : Making Those Old Word Lists More Noticeable
• report generating, example of : Listing the Secret Words
• reports, writing : What Is a Format?
• result : Scalar Operators
• return status, backwards for system( ) : Using system and exec
• return values : Making It a Bit More Modular
• • from subroutine, example of : The Final Programs
  • of tr : Transliteration
  • print( ) and : Using print for Normal Output
  • read( ) and : Fixed-Length Random-Access Databases
  • of select( ) : Using select to Change the Filehandle
  • subroutines : Return Values
• reverse( ) : The reverse Function
• • example of
  • • Arrays and List Data
    • Basic I/O
• right angle brackets (\>), as format field characters : Text Fields
• right associativity : Operator Precedence and Associativity
• rindex( ) : Finding a Substring
• • example of : Other Data Transformation
• rm command, unlink( ) and : Removing a File
• rmdir command, and rmdir( ) : Making and Removing Directories

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