in reply to Re^3: Aligning text and then perfom calculations
in thread Aligning text and then perfom calculations

next if ! exists $f1Words{$word};

That is exactly what I was looking for now. Thanks a lot. Problem solved.

One of Crete's own prophets has said it: 'Cretans are always liars, evil brutes, lazy gluttons'.
He has surely told the truth.