Robert Ransom a16f603b20 uniq: Lobotomize for POSIX-subset compatibility ...

POSIX uniq(1) is required to write to its second argument,
if one is given.
The multiple-input feature I accidentally added might be useful,
but users and scripts who rely on it would be put at risk for data loss
if they ever run into a POSIX uniq(1).

2012-05-21 23:33:36 +00:00

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