in reply to Re^2: Compare 2 CSV files and create a new CSV file out of comparisionin thread Compare 2 CSV files and create a new CSV file out of comparision
See perlintro or perldata for a description of hashes. "key" and "value" are terms used together with hashes.
If you search for join files or similar keywords, you'll find quite a bit of example code, for example join mutiple files on first column and join - join two files according to a common key.
Once (shame on you!)
Twice (shame on me!)
More often than I'd like to be
All the time
Just when answering stupid polls
Who you callin' a fool?
I refuse to vote in this ridiculous poll
Results (467 votes). Check out past polls.