| aflag= | |
| bflag= | |
| while getopts :ab: name "$@" | |
| do | |
| case $name in | |
| a) aflag=1 ;; | |
| b) bflag=1 | |
| bval=$OPTARG;; | |
| :) echo $0: error: option \`$OPTARG\' requires an argument | |
| echo Usage: $0 [-a] [-b value] args | |
| exit 2;; | |
| ?) echo $0: error: illegal option character \`$OPTARG\' | |
| echo Usage: $0 [-a] [-b value] args | |
| exit 2;; | |
| esac | |
| done | |
| if [ ! -z "$aflag" ] ; then echo -a specified ; fi | |
| if [ ! -z "$bflag" ] ; then echo -b $bval specified ; fi | |
| if [ "$OPTIND" -gt 1 ] | |
| then | |
| shift $(( $OPTIND - 1 )) | |
| fi | |
| echo remaining args: "$*" | |
| exit 0 |