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Re: bash builtin test changes in 2.04


From: Chet Ramey
Subject: Re: bash builtin test changes in 2.04
Date: Mon, 9 Oct 2000 10:50:56 -0400

> There seems to have been a change in teh behaviour of the bash builtin
> test or [
> In particular, the ( EXPRESSION ) syntax seems to have changed so that
> [ ! ( -z "$USER" -o -z $PS1 ) ] 
> gives and error when it worked in 2.03. It forthermore works for the gnu
> /usr/bin/test. Has tehre been a change and why?

First, you need to quote the `(' and `)' so the shell parser doesn't
grab them.  Then, you need to quote the $PS1, so, if it's null, the
`)' is not taken as the argument to -z.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet)

Chet Ramey, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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