On Fri, Feb 10, 2017 at 12:05 AM, Wildman via Python-list <python-list at python.org> wrote: > > Corrected code: > > def which(target) > for p in pathlist: > fullpath = p + "/" + target > if os.path.isfile(fullpath) and os.access(fullpath, os.X_OK): > return fullpath, True > return None, False Use shutil.which: https://docs.python.org/3/library/shutil.html#shutil.which