You will find a good answer here which includes how to get the browser to give the file the correct name (not the secript name) Re: download a file from non-web space. Have a look at the root node of this thread as well for some more links on this. Although perhaps not considered perfect form you can use application/octet-stream for any binary format. You could construct a hash that maps extensions to MIME type but why bother - the browsers often ignore it anyway and go by extension!

cheers

tachyon

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