That is a bad idea.

If he is reading a lot of these strings from a file then it implies that there are a lot of records in the file.

What your code is doing is first reading the entire file into the memory and after that starting to process it.

Also: you can combine both maps just fine.
That is: map { chomp; split m{\|}, $_, 2 }

In reply to Re^2: Removing digits until you see | in a string by Animator
in thread Removing digits until you see | in a string by kevyt

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