Run MailCap Programs. Run mailcap view, see, edit, compose, print - execute programs via entries in the mailcap file (or any of its aliases) will use the given action to process each mime-type/file. More information: https://manned.org/run-mailcap.
run-mailcap --action=ACTION [--option[=value]]
run-mailcap --action=ACTION filename
run-mailcap --action=ACTION --debug filename
stdout
:run-mailcap --action=ACTION --nopager filename
run-mailcap --action=ACTION --norun filename