mimeview --version (return code: 0)
mimeview (GNU Mailutils) 3.1.1
Copyright (C) 2007-2016 Free Software Foundation, inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
mimeview --help (return code: 0)
Usage: mimeview [OPTION...] FILE [FILE ...]
GNU mimeview -- display files, using mailcap mechanism.
-a, --no-ask[=TYPE-LIST] do not ask for confirmation before displaying
files, or, if TYPE-LIST is given, do not ask for
confirmation before displaying such files whose
MIME type matches one of the patterns from
TYPE-LIST
-d, --debug[=FLAGS] enable debugging output
-h, --no-interactive, --print
disable interactive mode
--metamail[=FILE] use metamail to display files
-n, --dry-run do nothing, just print what would have been done
-t, --mimetypes=FILE use this mime.types file
Global debugging settings
--debug-level=LEVEL set Mailutils debugging level
--debug-line-info show source info with debugging messages
Configuration handling
--config-file=FILE load this configuration file; implies --no-config
--config-lint check configuration file syntax and exit
--config-verbose verbosely log parsing of the configuration files
--no-config do not load site and user configuration files
--no-site-config do not load site-wide configuration file
--no-user-config do not load user configuration file
--set=PARAM=VALUE set configuration parameter
Informational options
--config-help show configuration file summary
--show-config-options show compilation options
-?, --help give this help list
--usage give a short usage message
-V, --version print program version
Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.
Debug flags are:
g - Mime.types parser traces
l - Mime.types lexical analyzer traces
0-9 - Set debugging level
Report bugs to <bug-mailutils@gnu.org>.
GNU Mailutils home page: <http://mailutils.org>
General help using GNU software: <http://www.gnu.org/gethelp/>