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arrasg.pl

Functions And Arguments

use strict;

# 
# This script demonstrates some of the properties of 
# array assignments.
#
my @a = ("Small", "Medium", "Large");
print `@a = ` . "@a\n";

my ($smith, $jones, $johnson) = @a;
print "$smith $jones $johnson\n";

my ($here, $there) = @a;
print "$here $there\n";

my ($this) = @a;
print "$this\n";

my $this = @a;
print "$this\n";

my ($p, $q, $r, $s, $t) = ("p", "q", "r", "s", "t");
print "[$p] [$q] [$r] [$s] [$t]\n";
($p, $q, $r, $s, $t) = @a;
print "[$p] [$q] [$r] [$s] [$t]\n";

# A cute way to swap variables.
my $aa = "Fred";
my $bb = "Barney";
($aa, $bb) = ($bb, $aa);
print "$aa $bb\n";

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Functions And Arguments