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Date:      Mon, 22 Jul 2002 22:24:05 +0200
From:      Jens Schweikhardt <schweikh@schweikhardt.net>
To:        Johan Karlsson <johan@freebsd.org>
Cc:        standards@freebsd.org
Subject:   Re: add option '-t tty' to biff(1)/mesg(1)
Message-ID:  <20020722222405.A8193@schweikhardt.net>
In-Reply-To: <20020722201541.B23363@numeri.campus.luth.se>
References:  <20020722201541.B23363@numeri.campus.luth.se>

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Johan,

On Mon, Jul 22, 2002 at 08:15:41PM +0200, Johan Karlsson wrote:
# Hi
# 
# I'm planing to add an option '-t tty' to 
# biff and mesg. See PRs 13072/13073 for details.
# 
# I would like to know if this will violate any
# of the standards we are trying to conform to.

In general, adding options is okay with respect to standards
conformance. In fact, new options are a significant part of the added
value of a conforming system. If POSIX forbade additional options, any
vendor's system would look alike, and you - as a customer - would go for
the cheapest (hm, FreeBSD comes to mind, not so bad an idea :-)

# mesg(1) is covered by POSIX according to 
# http://people.FreeBSD.org/~schweikh/posix-utilities.html
# but there is no -t option.

As long as the options don't conflict and there is consensus about the
usefulness you are okay. Note that the options on this page are only the
POSIX mandated ones -- FreeBSD may already have more than those.

# biff(1) does not seem to be in POSIX.
# 
# Is there any other such nice summary for other
# standards that I can look at?
# 
# Unless I get good reason not to I will propose
# this addition of -t on -arch the comming days.

Go ahead.

Regards,

	Jens
-- 
Jens Schweikhardt http://www.schweikhardt.net/
SIGSIG -- signature too long (core dumped)

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