note toolic <blockquote><i> 1. When do I use 'my' before an array and when don't I?</i></blockquote> Only when you first declare the array variable. <blockquote><i> Does this code '{$a <=> $b}' work with only numbers? </i></blockquote> Yes. You want <c>cmp</c> ([doc://perlop] and [doc://sort]) <c> use warnings; use strict; my@array = qw(one two three four five six seven eight nine ten); print "The original array contains - @array \n"; my@sorted = sort {$a cmp $b} @array; print "The sorted array contains @sorted \n"; </c> <p>You should also use "code" tags for your error/warning messages. 998032 998040