#!/usr/bin/perl -w use strict; my $lineNumber = 0; my $squareNumber = 0; my $maxSquare = 8 * 8; while ($squareNumber < $maxSquare) { $squareNumber++; printf " %02d ", $squareNumber; if (! ($squareNumber % 8) ) { print "\n"; } } print "\n"; exit; __END__ C:\Steve\Dev\PerlMonks\P-2013-10-03@1652-8x8-Loop>8x8mod.pl 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64