> If you have TWO files, then you would do "++" on the first, and "--" on the second...

this only works if lines are already unique within their files.

i.a.w. 2-1 is true but means the line appeared in both files...

Cheers Rolf

( addicted to the Perl Programming Language)

In reply to Re^2: ignore duplicates and show unique values between 2 text files by LanX
in thread ignore duplicates and show unique values between 2 text files by perlnoobster

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