Second iteration after input from halex@ (${...+} trick is cool!).
Index: rc.subr
===================================================================
RCS file: /cvs/src/etc/rc.d/rc.subr,v
retrieving revision 1.68
diff -u -p -r1.68 rc.subr
--- rc.subr 19 Nov 2012 07:10:59 -0000 1.68
+++ rc.subr 3 Apr 2013 15:50:32 -0000
@@ -25,7 +25,12 @@ rc_err() {
}
rc_usage() {
- rc_err "usage: $0 [-df] {start|check|reload|restart|stop}"
+ local _a _allsup _enotsup
+ for _a in start check reload restart stop; do
+ eval _enotsup=\${rc_${_a}}
+ [ X"${_enotsup}" != X"NO" ] &&
_allsup="${_allsup+$_allsup|}${_a}"
+ done
+ rc_err "usage: $0 [-df] {${_allsup}}"
}
rc_write_runfile() {
