On Wed, 20 Mar 2019 at 23:12, Michael Aramini <m.aram...@verizon.net> wrote:
> I wish to request an enhancement to diff which would add a command line > option which takes a regular expression and suppresses differences none of > whose lines match the regular expression. Multiple instances of this > option can be used to specify multiple regular expressions, which cases > differences will be suppressed if none of the lines of the difference match > any of the regular expressions. (Such a feature would be more or less the > complement of the existing --ignore-matching-lines=*regexp* (-I *regexp*) > command line option to diff.) > > Please let me know if there already is way to accomplish this using > existing options to GNU diff and/or by the use of other GNU Diffutils. > The grepdiff tool (from patchutils) might be able to do what you want, perhaps in conjunction with other tools: http://cyberelk.net/tim/software/patchutils/ Tim. */
