Beefy Boxes and Bandwidth Generously Provided by pair Networks
The stupid question is the question not asked
 
PerlMonks  

Answer: How to Test if Two Arrays are Ordered in the Same Way

by jdhedden (Deacon)
on Jun 06, 2005 at 16:23 UTC ( #463973=categorized answer: print w/replies, xml ) Need Help??

Q&A > arrays > How to Test if Two Arrays are Ordered in the Same Way - Answer contributed by jdhedden

Your decision line needs to be:
my $decision = grep($h{$$ar2[$_-1]} > $h{$$ar2[$_]}, 1..$#{$ar2}) +? 0 : 1;
You have to take into account the elements order with respect to each other. In this case, pos1 <= pos2 <= pos3 ...