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4.12 mailcap

The ~/.mailcap file is parsed by most MIME-aware message handlers and describes how elements are supposed to be displayed. Here’s an example file:

image/*; gimp -8 %s
audio/wav; wavplayer %s
application/msword; catdoc %s ; copiousoutput ; nametemplate=%s.doc

This says that all image files should be displayed with gimp, that WAVE audio files should be played by wavplayer, and that MS-WORD files should be inlined by catdoc.

The mailcap library parses this file, and provides functions for matching types.


This variable is an alist of alists containing backup viewing rules.

Interface functions:


Parse the ~/.mailcap file.


Takes a MIME type as its argument and returns the matching viewer.