portable way of locating an executable (like which)

[Mark Lawrence]

On 20/09/2012 22:06, Gelonida N wrote:
> I'd like to implement the equivalent functionality of the unix command
> /usr/bin/which
>
> The function should work under Linux and under windows.
>
> Did anybody already implement such a function.

Searching found nothing obvious to me :(

> If not, is there a portable way of splitting the environment variable PATH?

With os.sep ?

>
> Thanks for any sugestions
>
>

-- 
Cheers.

Mark Lawrence.