Thanks for your help. I was not aware of the multiple value per hash key. I forgot to mention in my original post that while file 2's data format will always have only 2 elements, FILE one will change.

It will not always have the same number of elements, or three in this case. How can I change the second part of your code, concerning file handle 1 to account for this? And also I'm not sure how to use your method to output my final data to a file

In reply to Re^4: Help needed please: Data Manipulation in 2D Array by Syntenty
in thread Help needed please: Data Manipulation in 2D Array by Syntenty

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