If you have 5 values, $total is 5 and the values in are in $value[0] to $value[4] 
for my $valNum (0 .. $total){

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should be 
for my $valNum (0 .. $total-1){

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In reply to Re: Use of uninitialized value in addition by ikegami
in thread Use of uninitialized value in addition by Solarplight

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