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July 2002, Week 3

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Subject:
Re: Deduping files (wait a minute)
From:
Lars Appel <[log in to unmask]>
Reply To:
Lars Appel <[log in to unmask]>
Date:
Mon, 15 Jul 2002 20:45:50 +0200
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>That's true. The process Allen requested is going to intrinsically require
>some sort of set subtraction. The processes that have been mentioned up to
>now in POSIX have only been doing set unioning.

Ah, set subtraction. I have used /bin/comm for something like that.
Something like "comm -23 fileA fileB" to get entries only in fileA.

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