GNU bug report logs - #13032
24.3.50; Request: Provide a `delete-duplicate-lines' command

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Package: emacs;

Reported by: Dani Moncayo <dmoncayo <at> gmail.com>

Date: Thu, 29 Nov 2012 19:26:01 UTC

Severity: wishlist

Found in version 24.3.50

Done: Juri Linkov <juri <at> jurta.org>

Bug is archived. No further changes may be made.

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Message #32 received at 13032 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> jurta.org>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: 13032 <at> debbugs.gnu.org, Dani Moncayo <dmoncayo <at> gmail.com>
Subject: Re: bug#13032: 24.3.50;
	Request: Provide a `delete-duplicate-lines' command
Date: Fri, 30 Nov 2012 03:12:05 +0200

>>   C-u M-| awk -- '!a[$0]++' RET
>
> Isn't
>
>   C-u M-| uniq RET
>
> shorter and easier to type?

I use `uniq' only on files where lines are sorted.  OTOH, something like
'!a[$0]++' that is not limited to consecutive duplicates is better for
files where lines are not sorted such as log files, etc.
This bug report was last modified 12 years and 173 days ago.

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