As well as the re-declared variables, it looks like you have a typo on the line:

if($hitlength == $prev_l and $prevalence == $prev_l){

This should probably be:

if($hitlength == $prev_l and $prevalence == $prev_p){

In reply to Re: How to Save a variable outside of a loop by Myrddin Wyllt
in thread How to Save a variable outside of a loop by Calebros

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