$ mangetoptsNo manual entryforgetopts$helpgetoptsgetopts:getoptsoptstring name [arg] Parse option arguments. 可以看到,man getopts 提示找不到 getopts 命令的说明,而 help getopts 打印了它的说明。 另外,有一个getopt外部命令也可以解析命令选项,名称比getopts少了一个s,用法也有所差异,不要把这两个命令搞混...
Complex programs are often implemented using subcommands. When using subcommands in getoptions, parse the arguments multiple times. (For example, parse up to the subcommand, and then parse after it. This design is useful for splitting shell scripts by each subcommand. ...
警告: 需要 bash 4+ 警告: 列表顺序可能不一样。...array[@]}" yellow # Multiple arguments can also be passed. $ random_array_element 1 2 3 4 5 6 7 3 在数组中循环...0:++i)) } 在两个值之间切换这与上面的工作原理相同,这只是一个不同的用例。 39330 向Bash函数传递参数 问: 我试图...
运行示例:
"echo "Script's PID: $"echo "Number of arguments: $#"echo "Scripts arguments: $@"echo "Scripts arguments separated in different variables: $1 $2..."# 读取输入:echo "What's your name?"read Name # 这里不需要声明新变量echo Hello, $Name!# 通常的 if 结构看起来像这样:# 'man test'...
Parse Command Line Arguments in Bash, One of the common tasks while developing a script is to parse command-line options. These options can be short or long. In this tutorial, we’ll use bash ‘s getopts function and the getopt utility for parsing the command-line options. 2. Parsing Sho...
运行示例:
在bash 中使用 getopt,指定命令行参数。 如何异步签出代码并构建? source /home/git/devops/gwph.git.hooks/www.post-receive.gulp >&- 2>&- & 在post-receive 时启动一个 shell 异步处理页面构建; 否则git push 等得时间太长,降低效率; Asynchronous git hook?
version # the comma separates different long options # -a is for long options with single dash like -version options=$(getopt -l "help,version:,verbose,rebuild,dryrun" -o "hv:Vrd" -a -- "$@") # set --: # If no arguments follow this option, then the positional parameters are ...
opts=$(getopt -o "$shrtopts" -l "$longopts" -n "${0##*/}" -- "$@") eval "set -- ${opts}" while (( $# > 0 )); do case "$1" in # --- ("--FS") fs="$2" ; shift 2 ;; ("--incl") incl+=("$2") ; shift...