thanks dragan for showing how complicated life can really be if you tried hard enough.

k

>>I am saving email attachment in directory called attachments.
>>I then do a count to determine if the file is a .doc or a .docx
>>
>>the count i am using does not seem to distinguish between the two. I have ONE file in attachments which is a .docx
>>instead i am getting 1 count for doc AND i count for docx.
>
>BTW, since .docx is actually a zipped folder with a bunch of xml files inside (and subfolders with more of the same), you can physically distinguish the two by opening each file low-level, reading the first two bytes, and checking if these two are "PK" (signature of Phil Katz, who wrote the original PKZip).
>
>I had to do so in one case, where some .doc files were actually docx files, saved under the old extension.