#!/usr/bin/perl -w use strict; my @array2; my @array1; my @array3; my @diff; @array1 = (0,1,2,3,4,5,6,7,8,9); @array2 = (1,2,3,4,6,8,10,12,14); @array3 = (1,2,3,5,7,9,11,13,15); foreach(@array1){ $diff[$_][0] = "yes"; } foreach(@array2){ $diff[$_][1] = "yes"; } foreach(@array3){ $diff[$_][2] = "yes"; } print "\tArray1\tArray2\tArray3"; for(0..$#diff){ print "\n$_"; foreach(@{$diff[$_]}){ if(defined($_)){ print "\t$_"; }else{ print "\t"; } } } print "\n";