GNU bug report logs - #29396
Comm bug verified

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Package: coreutils;

Reported by: Saint Michael <venefax <at> gmail.com>

Date: Wed, 22 Nov 2017 14:17:01 UTC

Severity: normal

Done: Assaf Gordon <assafgordon <at> gmail.com>

Bug is archived. No further changes may be made.

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Message #16 received at 29396-done <at> debbugs.gnu.org (full text, mbox):

From: Assaf Gordon <assafgordon <at> gmail.com>
To: Saint Michael <venefax <at> gmail.com>, 29396-done <at> debbugs.gnu.org
Subject: Re: bug#29396: Comm bug verified
Date: Thu, 23 Nov 2017 10:50:05 -0700
(re-adding the mailing list)

Hello,

On 2017-11-22 12:39 PM, Saint Michael wrote:
> Thanks for the explanation
> Is there a place to download the source code?
> I want to compile a version that ignore spaces on the right, since 99% 
> of the time I forget to check the line endings.
> or maybe you could consider a switch to the tool that would make it 
> ignore traing spaces when comparing lines.

The source code for GNU coreutils is available here:
  https://git.savannah.gnu.org/cgit/coreutils.git

However,
I would recommend the 'sed' method below, as a much simpler
way to remove trailing spaces (instead of maintaining a custom modified
coreutils binaries).


>     To remove the trailing spaces on the file, try:
> 
>         $ sed 's/  *$//' file2.csv > file2-no-space.csv
> 
>         $ comm -12 file1.csv file2-no-space.csv  | wc -l
>         864
> 
>         $ join file1.csv file2.csv | wc -l
>         864


regards,
 - assaf





This bug report was last modified 7 years and 237 days ago.

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