GNU bug report logs - #12847
comm wrong output

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Package: coreutils;

Reported by: gregrwm <backuppc-users <at> whitleymott.net>

Date: Fri, 9 Nov 2012 22:25:02 UTC

Severity: normal

Tags: notabug

Done: Pádraig Brady <P <at> draigBrady.com>

Bug is archived. No further changes may be made.

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Report forwarded to bug-coreutils <at> gnu.org:
bug#12847; Package coreutils. (Fri, 09 Nov 2012 22:25:02 GMT) Full text and rfc822 format available.
Acknowledgement sent to gregrwm <backuppc-users <at> whitleymott.net>:
New bug report received and forwarded. Copy sent to bug-coreutils <at> gnu.org. (Fri, 09 Nov 2012 22:25:02 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: gregrwm <backuppc-users <at> whitleymott.net>
To: bug-coreutils <at> gnu.org
Subject: comm wrong output
Date: Fri, 9 Nov 2012 15:54:12 -0600

[Message part 1 (text/plain, inline)]
coreutils       8.13-3.2ubuntu2 (quantal)

using the attached files:
$  LC_ALL=C sort rqb.2012-11-07. >/tmp/pC   #ensure inputs are sorted
$  LC_ALL=C sort a0>/tmp/qC
$  LC_ALL=C comm -2 /tmp/[pq]C>/tmp/-2
$  LC_ALL=C comm -23 /tmp/[pq]C>/tmp/-23

the 2 comm commands produce identical output!
oughtn't the latter command only show lines unique to FILE1?

[Message part 2 (text/html, inline)]
[rqb.2012-11-07. (application/octet-stream, attachment)]
[a0 (application/octet-stream, attachment)]
Information forwarded to bug-coreutils <at> gnu.org:
bug#12847; Package coreutils. (Fri, 09 Nov 2012 23:15:01 GMT) Full text and rfc822 format available.

Message #8 received at 12847 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: gregrwm <backuppc-users <at> whitleymott.net>
Cc: 12847 <at> debbugs.gnu.org
Subject: Re: bug#12847: comm wrong output
Date: Sat, 10 Nov 2012 00:13:59 +0100

gregrwm <backuppc-users <at> whitleymott.net> writes:

> coreutils       8.13-3.2ubuntu2 (quantal)
>
> using the attached files:
> $  LC_ALL=C sort rqb.2012-11-07. >/tmp/pC   #ensure inputs are sorted
> $  LC_ALL=C sort a0>/tmp/qC
> $  LC_ALL=C comm -2 /tmp/[pq]C>/tmp/-2
> $  LC_ALL=C comm -23 /tmp/[pq]C>/tmp/-23
>
> the 2 comm commands produce identical output!
> oughtn't the latter command only show lines unique to FILE1?

Since the files have nothing in common, -3 has no effect.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
Information forwarded to bug-coreutils <at> gnu.org:
bug#12847; Package coreutils. (Sat, 10 Nov 2012 00:39:02 GMT) Full text and rfc822 format available.

Message #11 received at 12847 <at> debbugs.gnu.org (full text, mbox):

From: gregrwm <backuppc-users <at> whitleymott.net>
To: Alan Curry <pacman-cu <at> kosh.dhis.org>
Cc: 12847 <at> debbugs.gnu.org
Subject: Re: bug#12847: comm wrong output
Date: Fri, 9 Nov 2012 18:37:28 -0600

[Message part 1 (text/plain, inline)]
>
> Try with sort ... | expand > /tmp/...
>

aha.
i see i&it were thrown by different style whitespace.
thank you.

[Message part 2 (text/html, inline)]
Added tag(s) notabug. Request was from Pádraig Brady <P <at> draigBrady.com> to control <at> debbugs.gnu.org. (Sat, 10 Nov 2012 00:57:01 GMT) Full text and rfc822 format available.
bug closed, send any further explanations to 12847 <at> debbugs.gnu.org and gregrwm <backuppc-users <at> whitleymott.net> Request was from Pádraig Brady <P <at> draigBrady.com> to control <at> debbugs.gnu.org. (Sat, 10 Nov 2012 00:57:01 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Sat, 08 Dec 2012 12:24:03 GMT) Full text and rfc822 format available.
This bug report was last modified 12 years and 280 days ago.

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