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Re: [PATCH] diff: add support for reading files literally with --no-index

On Thu, Dec 20 2018, brian m. carlson wrote:

> We don't include a test for the pipe scenario because I couldn't get
> that case to work in portable shell (although of course it works in
> bash). I have, however, tested it on both macOS and Linux. No clue how
> this works on Windows.

You can (and should) add tests using the PROCESS_SUBSTITUTION prereq
Dennis used in an earlier version of this:

Even if that wasn't possible a bash-specific test is better than no
test, and can be had by including t/lib-bash.sh in your test, see
e.g. the completion tests.