Re: Small issue with diff utils

[Paul Eggert]

> From: Mark Veltzer <address@hidden>
> Date: Sat, 14 Dec 2002 11:45:23 +0200

> 1. Document this issue in the diff manual (it is undocumented).

The manual currently says "An exit status of 0 means no differences
were found, 1 means some differences were found, and 2 means trouble."

> 2. To keep backward compatibility make a new option in diff that
> when used will cause diff to return an error code ONLY if there were
> technical problems

That is easily achieved with a wrapper shell script, e.g.

#! /bin/sh
diff "$@"
case $? in
1) exit 0;;
esac