in reply to Re^2: One liner help
in thread One liner help

Stupid mistake; sorry:
perl -lpe "$_=join q{.}, reverse split /\./" zones.txt

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

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Re^4: One liner help
by VinsWorldcom (Prior) on Oct 09, 2014 at 00:44 UTC

    BINGO!