compose

Compose a file using the default mailcap editor

$ compose [filename]

$ run-mailcap --action=compose [filename]

compose filename

compose is an alias for run-mailcap's compose action. It opens files in the appropriate editor based on MIME type configuration in mailcap files.
The mailcap system maps MIME types to applications for viewing, editing, composing, and printing.

filename

The file to compose/edit

Depends on mailcap configuration. The actual editor used depends on the file's MIME type and system configuration. Debian/Ubuntu specific.

run-mailcap(1), edit(1), view(1)