getopt應用demo

#!/bin/bash
# Desc: dataworks任務診段
# Author:Liuhl
# Date:2020-02-22
####################################

# getopt -T

# ARGS=`getopt -o ab:c:: --long along,blong:,clong:: -n "getopt.sh" -- "$@"`

# if [ $? != 0 ];then
#     echo "Terminating" >&2;exit 1
# fi

ARGS=`getopt -o ab:c:: --long along,blong:,clong:: -n 'test.sh' -- "$@"`

if [ $? != 0 ];then
echo "Terminating..."
exit 1
fi

eval set -- "${ARGS}"

while true
do
    case "$1" in
        -a|--along)
            echo "option a"
            shift ;;
        -b|--blong)
            echo "option b argument $2"
    shift 2;;
        -c|--clong)
    case "$2" in
        "")
            echo "Option c, no argument"
            shift 2;;
        *)
            echo "option c, argumnt $2"
            shift 2;;
        esac
                ;;
    --)
        shift
        break
        ;;
    *)
        echo "Internal error!"
        exit 1
        ;;
    esac
done

原文鏈接:https://blog.51cto.com/2242558/1545331