or, to avoid warnings about the occasional undefs in your arg list: 
sub min {
    my $min;
    for (@_) {
        next unless defined;
        $min = $_ if $_ < $min
    }
    $min
}

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In reply to Re^4: I think Perl ruined me as a programmer by Anonymous Monk
in thread I think Perl ruined me as a programmer by Petras

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