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From: gateley@m2.csc.ti.com (John Gateley)
Newsgroups: comp.lang.scheme
Subject: Re: exit on Schemes for Unix
Message-ID: <104546@ti-csl.csc.ti.com>
Date: 5 Jan 90 16:38:18 GMT
References: <9001041217.AA11268@huxley.mitre.org>
Sender: news@ti-csl.csc.ti.com
Organization: TI Computer Science Center, Dallas
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In article <9001041217.AA11268@huxley.mitre.org> ramsdell@LINUS.MITRE.ORG writes:
>When the exit command is called with no
>arguments, or when there is nothing more to read from standard input,
>the Scheme interpreter process should set the status bits returned to
>the parent process to the break level.

I agree except for one thing:
It should merely set the status bits to a non-zero value (or whatever
restriction Unix percieves as an error).
This allows the scheme program to return more useful error information:
(error 57) where 57 is the error number for directory not found,

John
gateley@m2.csc.ti.com