Johannes Schindelin <Johannes.Schindelin@xxxxxx> writes:
>> $ for i in {1,2,3,4,5}{0,1,2,3,4,5,6,7,8,9}; do echo $i; done
>> {1,2,3,4,5}{0,1,2,3,4,5,6,7,8,9}
>> $
>
> AFAIK this is the same as bash (I thought I was the last one to make that
> mistake 10 years ago). As long as you do not have _files_ matching the
> pattern, it does not expand. And besides, this is too complicated anyway:
> [1-5] is much shorter than {1,2,3,4,5}.
AFAIK, you are wrong ;-)
{1,2,3,4,5} expands regardless of what's on the filesystem but I
do not think it is POSIX.
[1-5] matches if any of the {1,2,3,4,5} is found on the
filesystem.
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