Shell about getopts

getopts 实例

今天做shell menu的时候翻了一下 关于getopts的东西，下面是一个简单的shell 调用命令行参数的例子。

#!/bin/bash ALL=false HELP=false FILE=false VERSION=false while getopts ahfvc: option do         case $option in         a)                 ALL=true                 echo "ALL is $ALL"                 ;;         h)                 HELP=true                 echo "HELP is $HELP"                 ;;         f)                 FILE=ture                 echo "FILE is $FILE"                 ;;         v)                 VERSION=true                 echo "VERSION is $VERSION"                 ;;         c)                 c=$OPTARG                 echo "c is $c"                 ;;         \?)                 echo "`basename $0` -[a h f v] -[c value] file"                 ;;         esac done