On August 23, 2017 3:37:51 PM GMT+02:00, Chet Ramey <chet.ra...@case.edu> wrote:
>On 8/23/17 9:34 AM, Greg Wooledge wrote:
>> On Wed, Aug 23, 2017 at 04:22:09PM +0300, Pierre Gaston wrote:
>>> testfile () {
>>> local OPTIND=1 f=${!#}
>>> while getopts abcdefghLkprsSuwxOGN opt;
>>> do
>>> case $opt in
>>> [abcdefghLkprsSuwxOGN]) test -$opt $f || return 1;;
>>
>> "$f"
>>
>>> *)return 1;;
>>> esac;
>>> done
>>> }
>>>
>>> if testfile -fx file;then.
>>
>> Add the quotes, make opt local too, and I think we have a winner.
>This has the advantage of supporting both syntax options: a single
>option with multiple operators or a series of options, each with one
>or more operators, combined with a single operand.
Not really as it changes the meaning of
test -f file -a -x file
Which I always understood as the correct way of doing this in the first place...
The only optimisation would be to possible cache the stat to save on system io.
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