$! Else, Check To See If OPT_PHASE Has A Valid Arguement.
$!
$ IF ("," + ACCEPT_PHASE + ",") - ("," + OPT_PHASE + ",") -
- .EQS. ("," + ACCEPT_PHASE + ",")
+ .NES. ("," + ACCEPT_PHASE + ",")
$ THEN
$!
$! A Valid Arguement.
$ WRITE SYS$OUTPUT ""
$ WRITE SYS$OUTPUT "The option ",OPT_PHASE," is invalid. The valid options are:"
$ WRITE SYS$OUTPUT ""
-$ IF ("," + ACCEPT_PHASE + ",") - ",ALL," THEN -
+$ IF ("," + ACCEPT_PHASE + ",") - ",ALL," -
+ .NES. ("," + ACCEPT_PHASE + ",") THEN -
WRITE SYS$OUTPUT " ALL : just build everything."
-$ IF ("," + ACCEPT_PHASE + ",") - ",ENGINES," THEN -
+$ IF ("," + ACCEPT_PHASE + ",") - ",ENGINES," -
+ .NES. ("," + ACCEPT_PHASE + ",") THEN -
WRITE SYS$OUTPUT " ENGINES : to compile just the [.xxx.EXE.ENGINES]*.EXE hareable images."
$ WRITE SYS$OUTPUT ""
$ WRITE SYS$OUTPUT " where 'xxx' stands for:"