The book, "Programming Python", shows an example of os.chdir() on the Windows platform, as follows: os.chdir(r'c:\temp') What's the 'r' for? It didn't seem to make any difference in how Python works - at least not on the surface. Thanks, Don -- DC Parris GNU Evangelist http://matheteuo.org/ gnumathetes at gmail.com "Hey man, whatever pickles your list!"