This problem is better solved with a hash
The algorithm would be:
- Open the file
- In a loop, read the input
- chomp, then split the input on white space
- use the last field as a hash key, and "push" the first field into the HOA (Hash-of-Arrays) structure (Please research HOA at this site)
- End loop (Keep reading till you have all info)
- Loop through the collected hash structure, and print the info
Let us know if you have a specific issue with your implementation of this algorithm.
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