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[bug-diffutils] bug#21539: bug#21539: Feature: suppress timestamps in ou
From: |
Andreas Grünbacher |
Subject: |
[bug-diffutils] bug#21539: bug#21539: Feature: suppress timestamps in output |
Date: |
Wed, 23 Sep 2015 18:22:26 +0200 |
2015-09-23 16:03 GMT+02:00 Ed Avis <address@hidden>:
> Sometimes it is useful to get deterministic results from diff, so that the
> same input data produces the same output.
> I accept that the timestamps diff includes come from the input files
> specified, not the time when diff was run, so in that sense they are
> deterministic.
> But still it is awkward to have to touch(1) the input files or otherwise mess
> around in order to guarantee that the same input contents produce the same
> diff.
>
> Please consider a --no-timestamp flag which stops diff printing the timestamp
> of the input files in the header of its output.
When diffing two files, you can use the --label option to set the file
names; this also overrides the timestamps.
Andreas