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Re: inconsistent output for cd


From: Chet Ramey
Subject: Re: inconsistent output for cd
Date: Tue, 3 Apr 2007 09:51:12 -0400

> On Tue, 3 Apr 2007, Chet Ramey wrote:
> 
> > >     [...] and there appear to
> > >     be no options at all to turn this superfluous output off.
> > 
> > This is, as Eric Blake noted, required POSIX behavior.  As to the manual:
> 
> It is an interesting position for POSIX to take, given that in general
> Unix is silent on success.

It's the logical thing to do, considering the potential ambiguity that
exists when you use a directory selected from CDPATH.  The illogical thing
is that POSIX requires the output even when the shell is not interactive.

> Does POSIX forbid an option "to turn this superfluous output off", as
> Tony Balinski put it?

Redirect stdout to /dev/null.  That's the conventional way to rid yourself
of superfluous output. 

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                                Live Strong.
Chet Ramey, ITS, CWRU    address@hidden    http://tiswww.tis.case.edu/~chet/




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