CVS commit: src/usr.sbin/etcupdate

["Luke Mewburn" <lukem%netbsd.org@localhost>]

Module Name:    src
Committed By:   lukem
Date:           Sun Jan  9 03:33:26 UTC 2022

Modified Files:
        src/usr.sbin/etcupdate: etcupdate etcupdate.8

Log Message:
etcupdate: add -? for help. improve option errors

Support -? to show help.
Implemented using getopts "leading colon optstring" feature.
Improve error messages for unknown options and missing arguments.
Change usage-related errors from stdout to stderr.
Keep all other errors to stdout for now.


To generate a diff of this commit:
cvs rdiff -u -r1.63 -r1.64 src/usr.sbin/etcupdate/etcupdate
cvs rdiff -u -r1.24 -r1.25 src/usr.sbin/etcupdate/etcupdate.8

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.