[bug-diffutils] bug#16608: bug#16608: Bug#737180: diffutils: diff exit status is 2 instead of 1 on binary files that differ (fwd)

[Paul Eggert]

Vincent Lefevre wrote:
> POSIX actually specifies the behavior:
Ouch, right you are.  I recall reading POSIX and coming to the opposite 
conclusion, that the behavior was not specified.  Perhaps this was long 
ago and input files were required to be text files.
Anyway, since it's incompatible with other 'diff' implementations and 
with POSIX, and since there's not a particularly strong reason to 
differ, let's change to be compatible.  I applied the attached patch to 
the savannah master and am taking the liberty of marking this as done; 
please give it a try.

0001-diff-exit-with-status-1-not-2-when-binary-files-diff.patch
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