talisker% /usr/bin/msgfmt -h
usage: msgfmt [-v] [-o filename] [files ... ]


talisker% /usr/bin/xgettext -h
Usage:  xgettext [-a [-x exclude-file]] [-jns][-c comment-tag]
        [-d default-domain] [-m prefix] [-M suffix] [-p pathname] files ...
        xgettext -h

-a                      find ALL strings
-c <comment-tag>        get comments containing <flag>
-d <default-domain>     use <default-domain> for default domain
-h                      Help
-j                      update existing file with the current result
-M <suffix>             fill in msgstr with msgid<suffix>
-m <prefix>             fill in msgstr with <prefix>msgid
-n                      line# file name and line number info in output
-p <pathname>           use <pathname> for output file directory
-s                      generate sorted output files
-x <exclude-file>       exclude strings in file <exclude-file> from output
-                       read stdin, use as a filter (input only)