On 8/23/17 10:24 AM, Dethrophes wrote:
>
>
>>
>>> Which I always understood as the correct way of doing this in the
>> first place...
>>
>> It's not as good as multiple test commands: test -f file && test -x
>> file.
>> There's no ambiguity and you get short-circuiting.
>
> Only if you are using the test built-in, otherwise the latter means 2
> spawns/forks however the shell in question calls the test exec.
Since bash has a test builtin, this isn't exactly on point. But you have
to accept this kind of micro-inefficiency with a shell that sacrifices
speed for size.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
