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Index: R

• raise to the power of operator (**=): Binary Assignment Operators
• range operator (..): List Literals
• read function, database records and: Fixed-length Random-access Databases
• readdir operator: Directory Handles
• readline operator: An Alternate Syntax for Globbing
• recursive directory listing: Recursive Directory Listing
• redo operator: The redo Operator
• references: List Assignment
• • References
• Registry (Windows): Direct System Database Access
• regular expression engines: More Powerful Regular Expressions
• • resources for further information: Regular expressions
• regular expression memories: Memory Parentheses
• regular expressions: Concepts of Regular Expressions
• • More Powerful Regular Expressions
  • resources for further reading: Regular expressions
  • using: Using Regular Expressions
• relational databases: Relational Database Access
• removing
• • directories: Making and Removing Directories
  • files: Removing Files
• rename function: Renaming Files
• reports, formats for: Formats
• resources for further reading
• • auxiliary lock files: Using a DBM Hash
  • bitwise operators: Using Bitstrings
  • file tests: File Tests
  • Perl
  • • object-oriented developing and: Object-Oriented Developing
    • using with the Web: The Common Gateway Interface (CGI)
  • Developing Perl: Why Didn't Larry Just Use Some Other Language?
  • regular expressions: Non-greedy Quantifiers
  • • Regular expressions
  • Tk: Graphical User Interfaces (GUIs)
• restrictions: The use strict Pragma
• return operator: The return Operator
• return values: Return Values
• reverse operator: The reverse Operator
• • Advanced Sorting
• rindex function: Finding a Substring with index
• rm command (Unix): Removing Files
• rmdir operator: Making and Removing Directories
• rmtree function: Making and Removing Directories
• runtime: But How Do I Compile Perl?