Manual

Reference

Modules

  • A • B • C • D • E
  • F • G • H • I • L
  • M • N • O • P • S
  • T • U • X

Tools

reset

Perl 5 version 20.0 documentation
Go to top
Show recent pages
Recently read

reset

Perl functions A-Z | Perl functions by category | The 'perlfunc' manpage
  • reset EXPR

  • reset

    Generally used in a continue block at the end of a loop to clear variables and reset ?? searches so that they work again. The expression is interpreted as a list of single characters (hyphens allowed for ranges). All variables and arrays beginning with one of those letters are reset to their pristine state. If the expression is omitted, one-match searches (?pattern? ) are reset to match again. Only resets variables or searches in the current package. Always returns 1. Examples:

    1.     reset 'X';      # reset all X variables
    2.     reset 'a-z';    # reset lower case variables
    3.     reset;          # just reset ?one-time? searches

    Resetting "A-Z" is not recommended because you'll wipe out your @ARGV and @INC arrays and your %ENV hash. Resets only package variables; lexical variables are unaffected, but they clean themselves up on scope exit anyway, so you'll probably want to use them instead. See my.