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

[Seth David Schoen]

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