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Re: [Nmh-workers] Third release candidate for nmh 1.6 now available

From: David Levine
Subject: Re: [Nmh-workers] Third release candidate for nmh 1.6 now available
Date: Wed, 11 Jun 2014 18:54:59 -0400

Ralph wrote:

> Hi David,
> > ! isn't portable.  Neither is egrep -q.
> What kind of portability are we aiming at?  ! is in POSIX;
> http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_
> 18_09_02
> Similarly, `grep -Eq' is too;

I should have typed "grep" instead of "egrep", but doesn't matter
for this purpose.  Not all grep's support -q.

> http://pubs.opengroup.org/onlinepubs/9699919799/utilities/grep.html#tag_20_55_04
> Are you thinking of a Sun without modern stuff in its path?

Pretty much.  I test with heirloom sh and posh.  So the limits
are reasonably well defined and it's easy to detect attempts to
go outside them.  Until we need more, I'd like to stick with them.


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