How to write batch script bat

Batch script bat writing method: 1. Use the "@echo off" command to turn off the command echo; 2. Use the "REM" command to add comments; 3. Use the "set" command to set the variable, the variable name and the value Use "=" to separate them; 4. Use the "echo" command to output the value of a variable or other text; 5. Use the "dir" command to list the files and folders in the current directory; 6. Use the "pause" command to pause the execution of the script. , waiting for the user to press any key to continue execution.

Batch script (.bat file) is a script file used in the Windows operating system to automatically execute a series of commands. Below is a simple batch script example that shows how to write a basic batch script.

@echo off
REM 这是一个简单的批处理脚本示例
REM 设置变量
set name=John
set age=25
REM 输出变量值
echo My name is %name%.
echo I am %age% years old.
REM 执行命令
dir
REM 暂停脚本的执行，等待用户按下任意键继续
pause

The functions of the above batch script include:

- Use the `@echo off` command to turn off command echo, so that the execution results of each command are not displayed when the script is executed.

- Use the `REM` command to add comments, the comment content will not be executed by the script.

- Use the `set` command to set a variable, and use an equal sign (=) to separate the variable name and value.

- Use the `echo` command to output the value of a variable or other text.

- Use the `dir` command to list files and folders in the current directory.

- Use the `pause` command to pause the execution of the script and wait for the user to press any key to continue execution.

When writing batch scripts, you can use different commands and syntax according to your needs to achieve the required functions. More complex batch scripts can be written using conditional statements, loop statements, functions, etc. In addition, you can also call other executable files, batch files or other script files to achieve more functions.

Note: The file extension of the batch script must be `.bat` or `.cmd`, and the script file needs to be run in the Windows operating system.

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