sys.path[0] will contain the path to the script.
From the sys module documentation: "As initialized upon program startup, the first item of this list, path[0], is the directory containing the script that was used to invoke the Python interpreter. If the script directory is not available (e.g. if the interpreter is invoked interactively or if the script is read from standard input), path[0] is the empty string, which directs Python to search modules in the current directory first. Notice that the script directory is inserted before the entries inserted as a result of PYTHONPATH."
Thanks, that's very helpful!!! That's fixed up a lot of scripts of mine already, since many rely on an additional R script.
As to finding the path to my project root, I've managed to get the other pathconf module going. Yay!
Thanks Binu and Limodou for your help.
Lars
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