shell getopts and getopt用法

 1 #!/bin/bash
 2 TEMP=`getopt -o hm: --long aai:,mai: -n ‘getopts.sh‘  -- "[email protected]"`
 3 eval set --  "$TEMP"
 4 while true
 5 do
 6 case "$1" in
 7     -h|--aai)
 8     echo $2
 9     shift 2;;
10     -m|--mai)
11     echo $2
12     shift 2;;
13     --)
14     shift
15     break;;
16     *)
17     exit 1;;
18 esac
19 #case "$2" in
20 #        -m|--mai)
21 #        echo ‘mai‘
22 #        exit;;
23 #esac
24
25 done
26 [[email protected] python_back]# cat getopts.sh
27     #!/bin/bash
28     echo "OPTIND starts at $OPTIND"
29     while getopts ":pq:" optname
30     do
31         case "$optname" in
32         "p")
33             echo "Option $optname is specified"
34             ;;
35         "q")
36             echo "Option $optname has value $OPTARG"
37             ;;
38         "?")
39             echo "Unknown option $OPTARG"
40             ;;
41         ":")
42             echo "No argument value for option $OPTARG"
43             ;;
44         *)
45             # Should not occur
46             echo "Unknown error while processing options"
47             ;;
48         esac
49         echo "OPTIND is now $OPTIND"
50     done