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Index: G

• general numeric conversion: Formatted Output with printf
• getgrnam function: Changing Ownership
• Getopt::Long module: Command-line Options in Your Programs
• Getopt::Std module: Command-line Options in Your Programs
• getpwnam function: Changing Ownership
• glob operator: Globbing
• • combining with unlink operator: Removing Files
• global replacements: Global Replacements with /g
• globbing: Globbing
• • vs. directory handles: Directory Handles
  • vs. filehandle reading: An Alternate Syntax for Globbing
• globs: What Are Regular Expressions?
• gmtime function: The localtime Function
• graphical user interfaces (GUIs): Graphical User Interfaces (GUIs)
• greater-than sign (>) for creating files: Opening a Filehandle
• Greenwich Mean Time: The localtime Function
• grep command (Unix)
• • regular expressions and: What Are Regular Expressions?
  • writing Perl program resembling: Interpolating into Patterns
• grep operator
• • perlfunc manpage and: map and grep
  • picking items from a list with: Picking Items from a List with grep
  • vs. map operator: Transforming Items from a List with map
  • vs. Unix's grep command: Picking Items from a List with grep
• group-ID ($gid): The stat and lstat Functions
• • changing group membership and: Changing Ownership
• GUIs (graphical user interfaces): Graphical User Interfaces (GUIs)