>You'd only be using a mapped drive letter temporarily, to work around a hole in the .Net framework; and cleaning up after yourself. IMO much cleaner than parsing the results of a DIR command, which strikes me as being very fragile. It might be affected by DIRCMD, maybe European users get results in a different language, or they use "." instead of "," as thousands separator etc. etc.

We just cannot map a drive letter, either permanent or temporary.