c:\@Work\Perl\monks>perl -wMstrict -le "my @arr = ('jack', 80, 'martin', 3, 'allan', 'george'); ;; my @sort = sort { $a <=> $b } @arr; print qq{@sort}; " Argument "jack" isn't numeric in sort at -e line 1. Argument "martin" isn't numeric in sort at -e line 1. Argument "allan" isn't numeric in sort at -e line 1. Argument "george" isn't numeric in sort at -e line 1. jack martin allan george 3 80