Argument "1,900" isn't numeric in sort at sort.pl line 7, line 3. Argument "4,900" isn't numeric in sort at sort.pl line 7, line 3. Argument "1,333,987" isn't numeric in sort at sort.pl line 7, line 3. #### @sorted = sort {$a->[2] <=> $b->[2]} map { s/,//g; $_ } @sorted;