这篇文章主要介绍“Shell脚本传递参数的方法对比”，在日常操作中，相信很多人在Shell脚本传递参数的方法对比问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”Shell脚本传递参数的方法对比”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！
#!/bin/bash#extracting command text_text_text_line options as parametershelp_info(){ echo "NAME" echo "\t$0" echo "SYNOPSIS" echo "\t$0 is a shell test about process options" echo "DESCRIPTION" echo "\toption like -a -b param1 -c param2 -d"}if [ $# -lt 0 ]then help_infofinomal_opts_act(){ echo -e "\n### nomal_opts_act ###\n" while [ -n "$1" ] do case "$1" in -a) echo "Found the -a option" ;; -b) echo "Found the -b option" echo "The parameter follow -b is $2" shift ;; -c) echo "Found the -c option" echo "The parameter follow -c is $2" shift ;; -d) echo "Found the -d option" ;; *) echo "$1 is not an option" ;; esac shift done}#用shell命令自建的选项解析，可以按照自己的想法实现#优点：自己定制，没有做不到，只有想不到#缺点：麻烦getopt_act(){ echo -e "\n### getopt_act ###\n" GETOPTOUT=`getopt ab:c:d "$@"` set -- $GETOPTOUT while [ -n "$1" ] do case $1 in -a) echo "Found the -a option" ;; -b) echo "Found the -b option" echo "The parameter follow -b is "$2"" shift ;; -c) echo "Found the -c option" echo "The parameter follow -c is "$2"" shift ;; -d) echo "Found the -d option" ;; --) shift break ;; *) echo "Unknow option: "$1"" ;; esac shift done param_index=1 for param in "$@" do echo "Parameter $param_index:$param" param_index=$[ $param_index + 1 ] done}#用getopt命令解析选项和参数#优点：相对与getopts来说是个半自动解析，自动组织选项和参数，用 -- 符号将选项与参数隔开#缺点：相对于getopts的缺点#1.需要与set -- 命令配合，不是必须，需要手动shift#2.选项参数中不支持空格如 -a -b dog -c "earth moon" -d -f param1 param2 就会解析错误getopts_act(){ echo -e "\n### getopts_act ###\n" while getopts :ab:c:d ARGS do case $ARGS in a) echo "Found the -a option" ;; b) echo "Found the -b option" echo "The parameter follow -b is $OPTARG" ;; c) echo "Found the -c option" echo "The parameter follow -c is $OPTARG" ;; d) echo "Found the -d option" ;; *) echo "Unknow option: $ARGS" ;; esac done shift $[ $OPTIND -1 ] param_index=1 for param in "$@" do echo "Parameter $param_index:$param" param_index=$[ $param_index + 1 ] done}#getopts 命令解析选项和参数#优点：可在参数中包含空格如：-c "earth moon"# 选项字母和参数值之间可以没有空格如：-bdog# 可将未定义的选项绑定到?输出# Unknow option: ?nomal_opts_act -a -b dog -c earth -d -f param1 param2getopts_act -a -b dog -c "earth moon" -d -f param1 param2getopt_act -a -b dog -c earth -d -f param1 param2到此，关于“Shell脚本传递参数的方法对比”的学习就结束了，希望能够解决大家的疑惑。理论与实践的搭配能更好的帮助大家学习，快去试试吧！若想继续学习更多相关知识，请继续关注编程网网站，小编会继续努力为大家带来更多实用的文章！
