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The perils of & (and prototypes too!)
#!/usr/bin/env perl
use strict;
use warnings;
$"=' and '; # this is just showing off :-)
sub mysub ($) { print "@_\n" }
sub main {
&mysub(@_);
mysub(@_);
&mysub;
my $greeting = shift;
&mysub($greeting);
mysub($greeting);
&mysub;
}
main('hello world', 'good bye!');
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