In pseudo-code: 

make a hash of @arr2
instantiate @arr3
for each element of @arr1
  split it to get the second field
  if that field is a key in the hash
    push the element onto @arr3

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Aaron B.
Available for small or large Perl jobs; see my home node.

In reply to Re: Deleting elements of one list using another by aaron_baugher
in thread Deleting elements of one list using another by Sj03rd

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