使用getopt命令

#!/bin/bash
#extracting command line options and values with getopt
# getopt command is not goot at dealing with space,we can use getopts
set -- `getopt -q ab:c "$@"`
while [ -n "$1" ]
do
    case "$1" in
    -a) echo "Found the -a option";;
    -b) param="$2"
        echo "Found the -b option,with parameter value $param"
        shift;;
    -c) echo "Found the -c option";;
    --) shift
        break;;
    *) echo "$1 is not an option";;
    esac
    shift
done

count=1
for param in "$@"
do
    echo "Parameter #$count: $param"
    count=$[ $count+1 ]
done