Re: [PATCH 1/1] execute_cmd.c: don't treat rhs of = as pattern in conditional expressions

[Chet Ramey]

On 8/24/12 11:03 AM, Michal Soltys wrote:

>>> Perhaps he is assuming the man page is exhaustive.  The section for the
>>> [[ command only mentions the == and != operators:
>>
>> Maybe.  The `CONDITIONAL EXPRESSIONS' section makes it clear they're
>> identical.
>>
> 
> This section only mentions string comparisons - nothing related to pattern
> matching or regex is mentioned there. It would also imply that [ $a = $b ]
> and [[ $a = $b ]] are identical, and it's clearly not the case. The
> differences between [ and [[ are in earlier "Compound Commands" and "rhs
> argument is pattern" feature is only mentioned for == and !=.
> 
> Anyway, maybe some small patch against bash.1 then to avoid confusion ?

Yep, that's reasonable.  Thanks for bringing it to light.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/