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[bug #20883] sort -u -n drops more lines than expected
From: |
anonymous |
Subject: |
[bug #20883] sort -u -n drops more lines than expected |
Date: |
Fri, 24 Aug 2007 05:52:14 +0000 |
User-agent: |
Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6 |
URL:
<http://savannah.gnu.org/bugs/?20883>
Summary: sort -u -n drops more lines than expected
Project: GNU Core Utilities
Submitted by: None
Submitted on: Friday 08/24/2007 at 05:52 UTC
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
_______________________________________________________
Details:
Given the following example input:
1 3
2 1
1 1
3 1
1 2
1 1
sort -u gives the expected output:
1 1
1 2
1 3
2 1
3 1
But sort -n -u drops all lines that match the sort column:
1 3
2 1
3 1
Or compare sort -n -u -k2:
2 1
1 2
1 3
It's not clear from the info page that this is the correct behavior, but I
would expect sort -n -u to do the same as sort -n | uniq, or for this
omitting equal keys (instead of equal lines) to be more explicit in the
documentation.
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?20883>
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- [bug #20883] sort -u -n drops more lines than expected,
anonymous <=