http://tcllib.sourceforge.net/doc/fumagic.html [[replace this comment with more details on this [tcllib] module]] The module and its packages are a [Tcllib]'ification of [CMcC]'s [mime type recognition in pure tcl]. ---- [makr] (2009-11-19) notes that the manual page is currently available at: http://tcllib.sourceforge.net/doc/filetypes.html Have a look at [tmag] for an [extension] that is using ''libmagic'' directly. <> Package | Tcllib