++, this is more a -n than -p task though. perl -lane 'print grep !$s{$_}++, @F'

Looks quite a bit less daunting, not don't it. :-)

Update: good catch, blakem++. The devil is in the details, they say in German..

Makeshifts last the longest.

In reply to Re^2: Removing repeated words by Aristotle
in thread Removing repeated words by abitkin

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