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.
Bought a souvenir
Emailed all my friends about it
Got blowed up
Hit him right dead in the jaw
Made it awkward
Took a selfie
Want to go home
Results (401 votes). Check out past polls.