Re: how to select files not in a list
From: Ed Morton (morton_at_lsupcaemnt.com)
Date: 04/28/04
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Date: Wed, 28 Apr 2004 10:35:11 -0500
Carli Fuchs wrote:
> I have two lists, one list holds actual users, another holds a listing of
> home directories. I want to remove the directories that are not in the
> actual users list. I have tried diff, comm, and uniq, but I cannot get just
> a list of directories of people who are not on the actual users list. Am I
> approaching this task wrong? My approach is to list all folders (they are
> named the same as the accountholder), and compare the folder names to the
> list of people who are current account holders. I was thinking that would
> give me a list of people who had folders but did not have accounts, and then
> I can delete those folders. Is there another way to do this?
It sounds like you're on the right track, you probably just need to sort
the lists before using comm - man sort. If that doesn't work, post a
sample input files and expected output.
Ed.
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