Re: portable way of locating an executable (like which)
On 09/21/2012 12:21 AM, Chris Angelico wrote:
> On Fri, Sep 21, 2012 at 7:47 AM, Mark Lawrence <email@example.com> wrote:
>> On 20/09/2012 22:06, Gelonida N wrote:
>>> I'd like to implement the equivalent functionality of the unix command
>>> The function should work under Linux and under windows.
>>> Did anybody already implement such a function.
>> Searching found nothing obvious to me :(
I was afraid so, but wanted to be sure
>>> If not, is there a portable way of splitting the environment variable
>> With os.sep ?
> os.sep is the directory separator, but os.pathsep may be what you
os.pathsep was the missing piece for portably splitting the searchpath
> Between that and os.getenv('path') you can at least get the
> directories. Then on Windows, you also need to check out
> os.getenv('pathext') and split _that_ on the semicolon, and try each
> of those as a file extension. I'm not sure whether or not Windows will
> add extensions from pathext if one is given on the command line - for
> instance, if typing "foo.exe" will search for "foo.exe.bat" - but the
> basics are there.
For what I am doing I can even skip trying the pathexts, the ext is
already given, but good to know :-)
> Alternatively, there may be a Win32 API funct5ion that does this.
> Would be worth a look.
Yeah true, but ideally I'd like to avoid platform detection and
just have a generic function.
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