Re: How to test a object name is an executable ?

[Budi]

Must be pure Bash only to prevent costly execution another

On 8/31/23, Seth David Schoen <schoen@loyalty.org> wrote:
> Budi writes:
>
>> How  do we test an object name / string is an executable, as tried it
>> won't work:
>>
>> $ [[ -x cp ]] &&echo YES
>> $
>> $ [[ -x ls ]] &&echo YES
>
> It works with a full path:
>
> $ [[ -x /bin/ls ]] && echo YES
> YES
>
> If you don't know where in the system the executable in question is, you
> could run which in order to search the PATH to find out:
>
> $ [[ -x $(which ls) ]] && echo YES
> YES
>