Try changing 

$baverage =  $rec{'BatterRuns'} / $baverage1;

[download]

to 

$baverage1 and $baverage =  $rec{'BatterRuns'} / $baverage1;

[download]

This should only do the divide when $baverage1 is non-zero (i.e. true).

In reply to Re: Null values in Perl Calculation by tybalt89
in thread Null values in Perl Calculation by PaulB-Liverpool

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