You probably shouldn't do that. It amounts to using symbolic references, which is disallowed by using strict.

It's probably better to use a reference to the subroutine instead of its name: 

#!/usr/local/bin/perl
use strict;
use warnings;

my $s = \&res;

$s->();

sub res {
 print "hai";
}

[download]

edit: see also perlref

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re: How to call subroutines using variables ? by Joost
in thread How to call subroutines using variables ? by Anonymous Monk

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