I have no idea if this will fix your problem, but your substitution probably needs to have the dot backwhacked,     if ($pdb_res == $value[$i]) {s/100\.0/3.0/}; Otherwise it matches any character after '100' and before a zero.

Also, ($pdb_res) = (split /\s+/,$_) [3]; is written as well by $pdb_res = (split)[3]; but that does not reflect any error and does not change the correctness of the code.

After Compline,
Zaxo

In reply to Re: going through an array by Zaxo
in thread going through an array by Anonymous Monk

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