MAN page from Old RedHat 5.X perl-5.004-4.i386.rpm

Getopt::Std

Section: Perl Programmers Reference Guide (3)
Updated: perl 5.004, patch 04
Index

NAME

getopt - Process single-character switches with switch clustering

getopts - Process single-character switches with switch clustering

SYNOPSIS

    use Getopt::Std;

    getopt('oDI');    # -o, -D & -I take arg.  Sets opt_* as a side effect.    getopt('oDI', \%opts);    # -o, -D & -I take arg.  Values in %opts    getopts('oif:');  # -o & -i are boolean flags, -f takes an argument                      # Sets opt_* as a side effect.    getopts('oif:', \%opts);  # options as above. Values in %opts

DESCRIPTION

The getopt() functions processes single-character switches with switchclustering. Pass one argument which is a string containing all switchesthat take an argument. For each switch found, sets $opt_x (where x is theswitch name) to the value of the argument, or 1 if no argument. Switcheswhich take an argument don't care whether there is a space between theswitch and the argument.

For those of you who don't like additional variables being created, getopt()and getopts() will also accept a hash reference as an optional second argument. Hash keys will be x (where x is the switch name) with key values the value ofthe argument or 1 if no argument is specified.

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