in reply to
Re^2: Compare 2 CSV files and create a new CSV file out of comparision
in 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.
Priority 1, Priority 2, Priority 3
Priority 1, Priority 0, Priority -1
Urgent, important, favour
Data loss, bug, enhancement
Out of scope, out of budget, out of line
Family, friends, work
Impossible, inconceivable, implemented
Results (257 votes),