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From: "Alfred M. Szmidt" <ams@gnu.org>
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Subject: Re: cmp/diff
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   >> Looking at that list now, the only obvious tool to remove is egrep,
   >> since 'grep -E' subsumes it nowadays.
   > Yes, I think that should be dropped.

Maybe from usage in scripts or Makefile, but from a users point these
do not replace "grep -E" or "grep -F" which are far more annoying to
type than egrep or fgrep.