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Re: echo "enhancement" leads to confused legacy script tools...


From: Andreas Schwab
Subject: Re: echo "enhancement" leads to confused legacy script tools...
Date: Mon, 20 Mar 2006 20:26:15 +0100
User-agent: Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux)

Paul Eggert <address@hidden> writes:

> Andreas Schwab <address@hidden> writes:
>
>> But note that bash interprets -n as an option, which is not compliant with
>> XSI.
>
> Bash doesn't claim conformance to XSI, so that's OK as far as Bash is
> concerned.

I understand that.  It doesn't even conform to POSIX (in the default
configuration), since it also interprets -E and -e as options.

> There's a little history here.  POSIX 1003.2-1992 said that echo has
> implementation-defined behavior if given any options, or if any

Are you sure about "any option"?  The current spec only talks about -n.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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