Arguments for bash script interfaceChristian Margreitter
./my_script.sh arg1 arg2 在脚本中,你可以使用$1来代表第 1 个参数,用$2来代表第 2 个参数,以此类推。$0是一个特殊变量,它代表正在运行的脚本的名字。 现在,创建一个新的 shell 脚本,命名为arguments.sh,并向其中添加以下几行代码: #!/bin/bash echo "Script name is: $0" echo "First argument i...
Interactive bash shell script️ 练习时间 是时候练习你所学到的东西了。尝试为以下场景编写简单的 Bash 脚本。 练习1:编写一个带有三个参数的脚本。你必须使脚本以相反的顺序显示参数。 预期输出: abhishek@itsfoss:~/bash_scripts$ ./reverse.sh ubuntu fedora arch Arguments in reverse order: arch fedora ...
echo "This script needs at least $MINPARAMS command-line arguments!" fi echo exit 0 运行代码: bash test30.sh 1 2 10 The name of this script is "test.sh". The name of this script is "test.sh". Parameter #1 is 1 Parameter #2 is 2 --- All the command-line parameters are: 1 ...
bash 中有很多内置的特殊变量,使用非常方便。如下是最常见的: 大家可以实际查看一下这些特殊变量,参考如下 variables.sh 脚本: 复制 #!/bin/bashecho"Name of the script:$0"echo"Total number of arguments:$#"echo"Values of all the arguments:$@" 1. 2. 然后提供几个参数运行脚本:...
创建一个Bash脚本文件,例如curl_script.sh,并使用文本编辑器打开该文件。 在脚本文件中,使用cURL命令来发送HTTP请求。可以使用-d参数指定请求的正文参数,多个参数之间使用&符号分隔。例如: 在脚本文件中,使用cURL命令来发送HTTP请求。可以使用-d参数指定请求的正文参数,多个参数之间使用&符号分隔。例如: 保存并关闭脚本...
/bin/bash while getopts ":h:v:" opt; do case ${opt} in h ) echo "Usage: script.sh [-h] [-v]" echo "Options:" echo " -h, --help Show help" echo " -v, --version Show version" exit 0 ;; v ) echo "Version: $OPTARG" exit 0 ;; \? ) echo "Invalid option: -$...
In order to use nvm, node, and npm like normal, you can instead specify the special BASH_ENV variable, which bash sources when invoked non-interactively.# Use bash for the shell SHELL ["/bin/bash", "-o", "pipefail", "-c"] # Create a script file sourced by both interactive and ...
In the script, first we ask the user to enter an IP address (or else you can provide it as google.com). Then read the input and use it with the "ping" command. After that, we can get the ping command output and display it. We will output a message based on the status of the...
split() { # Usage: split "string" "delimiter" IFS=$'\n' read -d "" -ra arr <<< "${1//$2/$'\n'}" printf '%s\n' "${arr[@]}" }示例用法:$ split "apples,oranges,pears,grapes" "," apples oranges pears grapes $ split "1, 2, 3, 4, 5" ", " 1 2 3 4 5 # 多...