[src/trunk]: src/distrib/common Remove test ([) -o usage, and make a couple o...

[kre <kre%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1064f81f6f6c
branches:  trunk
changeset: 993548:1064f81f6f6c
user:      kre <kre%NetBSD.org@localhost>
date:      Sun Sep 16 21:41:34 2018 +0000

description:
Remove test ([) -o usage, and make a couple of minor cleanups as well.

diffstat:

 distrib/common/sunbootcd.sh |  15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diffs (39 lines):

diff -r 9085b7faeec1 -r 1064f81f6f6c distrib/common/sunbootcd.sh
--- a/distrib/common/sunbootcd.sh       Sun Sep 16 21:32:29 2018 +0000
+++ b/distrib/common/sunbootcd.sh       Sun Sep 16 21:41:34 2018 +0000
@@ -1,6 +1,6 @@
 #! /bin/sh
 #
-# $NetBSD: sunbootcd.sh,v 1.6 2012/02/22 16:12:34 martin Exp $
+# $NetBSD: sunbootcd.sh,v 1.7 2018/09/16 21:41:34 kre Exp $
 #
 # Copyright (c) 2003 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -59,11 +59,13 @@
        exit 1
 }
 
-if [ $# -lt 2 -o $# -gt 6 ]; then
-       usage
-fi
+case "$#" in
+([23456])      ;;
+(*)            usage;;
+esac
 
-for curfile in $*; do
+for curfile
+do
        [ "$curfile" = "-" ] && continue
        if [ ! -f "$curfile" ]; then
                echo 1>&2 "${PROGNAME}: ${curfile}: No such file."
@@ -81,7 +83,8 @@
 
 ENDCYL=${ISOCYLS}
 curpart=0
-for curfile in $*; do
+for curfile
+do
        curpart=$(( ${curpart} + 1 ))
        [ "$curfile" = "-" ] && continue