in reply to Re: Comparing two files line by line and exporting the differences from the first file
in thread Comparing two files line by line and exporting the differences from the first file

@hdr_ad ~~ @hdr_hr or die "Uncompatible headers between HR and AD files\n";

The  ~~ smartmatch operator is discouraged from use in production code. | not encouraged for use in production code because it is "experimental." See Terminology in perlpolicy.

Give a man a fish:  <%-{-{-{-<

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