If you ever installed software like Visual Studio or Qt, you will find some cmd shortcuts in the start menu. For example, for VS, there are several cmd shortcuts in […]

Percent symbols are confusing in Windows bat scripts because they are designed with different meanings in different situations. The most occurrences of percent symbols are like %xxx%, where xxx is […]

You can invoke another batch script from a batch script like this: rem a.bat echo helloa1 b.bat echo helloa2   rem b.bat echo hellob1 exit /b echo hellob2 Here, the batch script a.bat […]

Which command is a useful tool in Linux. If you run a command by just typing its name instead of the full path name, the shell will find the command […]

Tilde is an interesting symbol in windows batch script. You may have seen %~0. The tilde before the digit (which means the command name) does something  special to the parameter. […]

The syntax of for loop in Windows bat file is a little strange. If you are familiar with for loop in other programming languages, you may write the following code: […]

You may see this code in a windows bat script. You may think this command enables command extensions and delayed variable expansion. But this command actually have 3 effects: set […]

You must be familiar with the exit command. If you execute this command in a DOS window, the DOS window closes and the cmd process exits. This is like closing […]

It seems both can get the current directory. What is the difference between %~dp0 and %CD%, then? First, %~dp0 can only be used in bat file while %CD% can be […]

In windows bat file, %0, %1,…, %9 are the first, second, …, tenth parameter of the command line. The first parameter is the command itself. Suppose the bat file is […]