On Tue, 12 May 2009 12:19:23 -0400, Tim Slattery <Slattery_T@xxxxxx>
>AFAIK, you don't. The "dir" command can retrieve file attributes that
>are stored in the directory entry: hidden, system, archive, read-only.
>Getting the time from an mp3 file involves reading the file and
>parsing the contents. That's beyond dir's capabilities.
You can approximate it by calculating against the file size parameter.
Run a few MP3's, average the time they take vs size, set up a
calculation in the spreadsheet.