Re: bash vs. python scripts - which one is better?

On 2007-08-22 13:53:34 +0200, Vincent Lefevre wrote:
> Now, what about the following test, which does not test file existence?
>
> vlefevre@vin:~$ [ true -a \( ! -a \) ] && echo OK
> bash: [: `)' expected, found ]
> vlefevre@vin:~$ /usr/bin/[ true -a \( ! -a \) ] && echo OK
> vlefevre@vin:~$
>
> This is unspecified by POSIX, but test(1) has its own documentation.
> If you prefer, the bash builtin breaks the compatibility with test(1)
> even if it is non-standard.

Well, if fact, no need to use -a:

vlefevre@vin:~$ /usr/bin/[ \( ! -e \) ] && echo OK vlefevre@vin:~$ [ \( ! -e \) ] && echo OK bash: [: `)' expected, found ]

-- 
Vincent Lefèvre <
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Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)


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