I am trying to parse a txt file into arrays based on the first "column", but can't seem to quite figure out how to search through the files, find the same pattern, and push into an array. Ex of file:
243_405 35 23 13
243_405 46 21 15
241_333 65 32 20
241_333 52 44 11
So, I would now want to push each line of 243_405 into @line1 , and 241_333 into @line2... Any words of wisdom for this seeker?

In reply to pushing similar lines into arrays by Phydro

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