Verify the total number of the command line parameter : Special Variables « Language Basics « Perl

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Perl » Language Basics » Special Variables

Verify the total number of the command line parameter


   







#!/usr/bin/perl -w

# argv2.pl



use strict;



print "program arguments:\n";



my $i = 0;



while ($i <= $#ARGV) {

    print "argument $i: $ARGV[$i]\n";

    $i++;

}

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39.	$MATCH = $&
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45.	$^O stores the name of the operating system
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