args=("$@")# check required params and arguments[[-z"${param-}"]]&&die"Missing required parameter: param"[[${#args[@]}-eq0]]&&die"Missing script arguments"return0}parse_params"$@"setup_colors # script logic here
Using a debugger is often necessary to understand runtime or logic errors in a software program, this can also be true with a large shell script. 📎 The need for a debugger may also be a major red flag that you are writing in the wrong language. Bash is not always a good fit for...
[[ ${#args[@]} -eq 0 ]] && die "Missing script arguments" return 0 } parse_params "$@" setup_colors # script logic here msg "${RED}Read parameters:${NOFORMAT}" msg "- flag: ${flag}" msg "- param: ${param}" msg "- arguments: ${args[*]-}" Choose Bash #!/usr/bin/e...
There may be situations where arguments are passed wrongly and the script should throw some errors. By default, getopts will throw an error message when a flag passed is not inOPTSTRINGor if you fail to pass additional arguments to the flag. Adding acolonto the start ofOPTSTRINGwill suppress ...
# check required params and arguments [[ -z "${param-}" ]] && die "Missing required parameter: param" [[ ${#args[@]} -eq 0 ]] && die "Missing script arguments" return 0 } parse_params "$@" setup_colors # script logic here ...
Script description here. Available options: -h, --help Print this help and exit -v, --verbose Print script debug info -f, --flag Some flag description -p, --param Some param description EOF exit } cleanup() { trap - SIGINT SIGTERM ERR EXIT ...
sh red Script arguments: red First arg: red. Second arg: . Number of arguments: 1 用户输入 如果你正在为自己或其他人编写Bash程序,那么获取用户输入的一种方式就是指定用户提供给程序的参数,正如我们在前一节中讨论的那样。你还可以通过使用read命令暂时停止程序的执行,要求用户在命令行上输入一个字符串...
echo "Script arguments: $@" echo "First arg: $1. Second arg: $2." echo "Number of arguments: $#" Now let’s try running the script a few times in a few different ways: bashvars.sh ## Script arguments: ## First arg: . Second arg: . ...
How to iterate over arguments in a Bash script 我有一个复杂的命令,我想制作一个shell/bash脚本。我可以很容易地用$1来写: 1 foo$1args-o$1.ext 我希望能够向脚本传递多个输入名称。正确的方法是什么? 当然,我想处理文件名中包含空格。 相关讨论 ...
"Missing required parameter: param" [[ ${#args[@]} -eq 0 ]] && die "Missing script arguments" return 0 } parse_params "$@" setup_colors # script logic here msg "${RED}Read parameters:${NOFORMAT}" msg "- flag: ${flag}" msg "- param: ${param}" msg "- arguments: ${args[...