Linux bash script read args All In One #!/bin/bash# author:xgqfrms# url:www.xgqfrms.xyzecho"Shell 传递参数实例!";echo"执行的文件名:$0";echo"第一个参数为:$1";echo"第二个参数为:$2";echo"第三个参数为:$3"; demos #!/usr/bin/env bashecho"^-v-^ app is running in production env!
让我们创建我们的第一个 bash 脚本：执行过程：我们可以使用相对路径和绝对路径来执行脚本。在执行脚本之前，我们需要使用chmod命令使脚本可执行：$ chmod +x fisrtscript.sh # 使脚本可执行$ ./firstscript.sh # 执行脚本（使用相对路径）--- 同学们好！在 bash 脚本中，“#”之后的任何内容都将被假定为注释。
args=("$@") # check required params and arguments [[ -z "${param-}" ]] && die "Missing required parameter: param" [[ ${#args[@]} -eq 0 ]] && die "Missing script arguments" return 0 } parse_params "$@" setup_colors # script logic here msg "${RED}Read parameters:${NOFORM...
args=("$@") # check required params and arguments [[ -z "${param-}" ]] && die "Missing required parameter: param" [[ ${#args[@]} -eq 0 ]] && die "Missing script arguments" return 0 } parse_params "$@" setup_colors # script logic here msg "${RED}Read parameters:${NOFORM...
if["$1"='node'];thenSCRIPT_FILE=forARGin"$@"doif["${ARG}"='main.js'];thenSCRIPT_FILE='main.js'breakfidoneif[ -z"$SCRIPT_FILE"];thenexec"$@""main.js"exit0;fifiexec"$@" 这是在常见 nodejs 的 docker 镜像时经常使用的一段代码: ...
echo ${args[0]} ${args[1]} ${args[2]} ' -> args=("$@"); echo ${args[0]} ${args[1]} ${args[2]}' #use $@ to print out all arguments at once echo $@ ' -> echo $@' # use $# variable to print out # number of arguments passed to the bash script ...
git_submodules_update_repos.sh - updates submodules for all repos given as args or saved in the setup/repos.txt file git_askpass.sh - credential helper script to use environment variables for git authentication github/*.sh - GitHub API / CLI scripts: github_api.sh - queries the GitHub ...
这个脚本可以通过以下命令来运行: 代码语言:bash 复制 ./script.sh arg1 arg2 arg3 输出结果如下: 代码语言:txt 复制 Number of arguments: 3 Argument: arg1 Argument: arg2 Argument: arg3 需要注意的是,在处理参数时,应该使用双引号"$@"来避免参数中包含空格或特殊字符时出现错误。相关搜索: ...
# Use bash for the shell SHELL ["/bin/bash", "-o", "pipefail", "-c"] # Create a script file sourced by both interactive and non-interactive bash shells ENV BASH_ENV /home/user/.bash_env RUN touch "${BASH_ENV}" RUN echo '. "${BASH_ENV}"' >> ~/.bashrc # Download and ...
I would like my Bash script to print an error message if the required argument count is not met. I tried the following code: #!/bin/bash echo Script name: $0 echo $# arguments if [$# -ne 1]; then echo "illegal number of parameters" fi For some unknown reason I've got the fol...