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bug#6366: comm: use numeric sort (optionally)
From: |
Pádraig Brady |
Subject: |
bug#6366: comm: use numeric sort (optionally) |
Date: |
Wed, 22 Aug 2012 23:00:53 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20110816 Thunderbird/6.0 |
unarchive 6366
stop
On 08/22/2012 09:17 PM, Sam Steingold wrote:
> Hi,
> I have a file of numbers (integers IDs) which are sorted numerically,
> but comm complains that they are not.
> I suggest that comm accept "-n" option (like sort) to use numeric sort.
> Thanks.
Yes.
comm, join, uniq really should support the same field selection
and comparision flags as sort.
There are already bugs for that:
http://bugs.gnu.org/5832
http://bugs.gnu.org/6366
For reference, the following examples show
expected an unexpected behavior respectively:
$ comm --nocheck <(printf "%s\n" a b c j k) <(printf "%s\n" a b d e j)
a
b
c
d
e
j
k
$ comm --nocheck <(printf "%s\n" 1 2 3 10 11) <(printf "%s\n" 1 2 5 6 10)
1
2
3
10
11
5
6
10
cheers,
Pádraig.
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