Using the @_ to reference the parameter : Special Variables « Language Basics « Perl

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Perl » Language Basics » Special Variables

Using the @_ to reference the parameter


   



#!/usr/bin/perl -w



use strict;



my $var = 10;

print "before: $var\n";

change_var($var);

print "after:  $var\n";



sub change_var {

    my($v) = @_;

    # or: my $v = shift;

    

    print "in change_var() before: $v\n";

    ++$v;

    print "in change_var() after:  $v\n";

}

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39.	$MATCH = $&
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