Il 12/10/2022 14:20, Chris Green ha scritto:
jak <nos...@please.ty> wrote:
Il 12/10/2022 09:40, jkn ha scritto:
On Wednesday, October 12, 2022 at 6:12:23 AM UTC+1, jak wrote:
Il 12/10/2022 06:00, Paulo da Silva ha scritto:
Hi!

The simple question: How do I find the full path of a shell command
(linux), i.e. how do I obtain the corresponding of, for example,
"type rm" in command line?

The reason:
I have python program that launches a detached rm. It works pretty well
until it is invoked by cron! I suspect that for cron we need to specify
the full path.
Of course I can hardcode /usr/bin/rm. But, is rm always in /usr/bin?
What about other commands?

Thanks for any comments/responses.
Paulo

I'm afraid you will have to look for the command in every path listed in
the PATH environment variable.

erm, or try 'which rm' ?

You might but if you don't know where the 'rm' command is, you will have
the same difficulty in using 'which' command. Do not you think?

 From a command prompt use the bash built-in 'command' :-

     command -v rm

... and rm will just about always be in /usr/bin.


ok but I didn't suggest a very complicated thing:

for p in os.getenv('PATH').split(os.path.pathsep):
    if p:
        if os.path.isfile(os.path.join(p, 'rm')):
            print(f)

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