newsGNU diff utilities - News


diffutils-2.9 released [stable]

Item posted by Jim Meyering <meyering> on Fri 12 Feb 2010 09:09:14 PM UTC.

This is to announce diffutils-2.9.  I'm calling it stable
because not much has changed, in spite of the long interval
since the last release.

Here's the diffutils home page, in case you're wondering what it is:

*** Note these are not the usual URLs ***

Here are the compressed sources:   (1.7MB)   (976KB)

Here are the GPG detached signatures[*]:

Eventually, the usual (following) URLs will become valid,
but for now, I am unable to upload to

Here are the compressed sources:   (1.7MB)   (976KB)

Here are the GPG detached signatures[*]:

[*] You can use either of the above signature files to verify that
the corresponding file (without the .sig suffix) is intact.  First,
be sure to download both the .sig file and the corresponding tarball.
Then, run a command like this:

  gpg --verify diffutils-2.9.tar.gz.sig

If that command fails because you don't have the required public key,
then run this command to import it:

  gpg --keyserver --recv-keys B9AB9A16

and rerun the `gpg --verify' command.

This release was bootstrapped with the following tools:
  Autoconf 2.65.35-a2889
  Automake 1.11a
  Gnulib v0.0-3425-gde4d0a3


* Noteworthy changes in release 2.9 (2010-02-11) [stable]

** New features

  New diff option --suppress-blank-empty.

  Bring back support for `diff -NUM', where NUM is a number,
  even when conforming to POSIX 1003.1-2001.  This change reverts to
  the behavior of GNU diff 2.7 and earlier.  This is a change only
  when conforming to POSIX 1003.1-2001; there is no effect when
  conforming to older POSIX versions.

  This change is in response to decisions taken in the January 2005
  Austin Group standardization meeting.  For more details, please see
  "Utility Syntax Guidelines" in the Minutes of the January 2005
  Meeting <>.

  sdiff now understands '1' and '2' as synonyms for 'l' and 'r'.

** Changes in behavior

  sdiff and diff3 now invoke diff, not $(bindir)/diff

** Administrivia

  New discussion and bug-reporting address:

  updated gnulib support

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