[src/trunk]: src/usr.bin/sys_info Parse the arguments to sys_info(1) a bit di...

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

details:   https://anonhg.NetBSD.org/src/rev/3226cb0000a8
branches:  trunk
changeset: 355875:3226cb0000a8
user:      agc <agc%NetBSD.org@localhost>
date:      Sat Aug 19 18:36:31 2017 +0000

description:
Parse the arguments to sys_info(1) a bit differently, using getopts(1)

Thanks to Paul Goyette for the nudge

diffstat:

 usr.bin/sys_info/sys_info.sh |  21 +++++++++++----------
 1 files changed, 11 insertions(+), 10 deletions(-)

diffs (42 lines):

diff -r 5704252e4e9d -r 3226cb0000a8 usr.bin/sys_info/sys_info.sh
--- a/usr.bin/sys_info/sys_info.sh      Sat Aug 19 14:22:49 2017 +0000
+++ b/usr.bin/sys_info/sys_info.sh      Sat Aug 19 18:36:31 2017 +0000
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# $NetBSD: sys_info.sh,v 1.2 2017/08/19 03:06:50 agc Exp $
+# $NetBSD: sys_info.sh,v 1.3 2017/08/19 18:36:31 agc Exp $
 
 # Copyright (c) 2016 Alistair Crooks <agc%NetBSD.org@localhost>
 # All rights reserved.
@@ -122,20 +122,21 @@
        esac
 }
 
-case $# in
-0)     all=true ;;
-*)     all=false ;;
-esac
-
-while [ $# -gt 0 ]; do
-       case "$1" in
-       -a)     all=true ;;
-       -v)     set -x ;;
+all=false
+while getopts "av" a; do
+       case "${a}" in
+       a)      all=true ;;
+       v)      set -x ;;
        *)      break ;;
        esac
        shift
 done
 
+# if no arg specified, we want them all
+if [ $# -eq 0 ]; then
+       all=true
+fi
+
 # if we want to do every one, then let's get the arguments
 # not really scalable
 if ${all}; then