GNU bug report logs - #26002
[patch] md5sum --digest-only

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

From: Michael Vogt <mvo <at> ubuntu.com>
To: bug-coreutils <at> gnu.org
Subject: [patch] md5sum --digest-only
Date: Mon, 6 Mar 2017 08:55:59 +0100

[Message part 1 (text/plain, inline)]

Hi,

this is a bit of a RFC (anlong with a patch). I would like to have an
option in md5sum (and friends) that displays only the digest without
the filename. The use-case is mostly package maintainer scripts. They
often need the md5sum to e.g. check if a conffile has changed and use
patterns like:

  `md5sum /etc/papersize 2> /dev/null | awk '{print $1}'`
  `md5sum /etc/lsb-release | cut -d" " -f1`
  $(md5sum /etc/networks | sed -e 's/ .*//')

Having a --digest-only option in md5sum would make this a bit more
uniform.

Attached is a small patch, if the suggestion gets accepted I'm happy
to flesh it out more and write the man-page entry and tests.

Cheers,
 Michael

[coreutils-md5sum-digest-only.diff (text/x-diff, attachment)]

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