How to achieve cyclic effect in batch processing
This article mainly introduces how to achieve the cycle effect of batch processing, the article introduces in great detail, has a certain reference value, interested friends must read it!
Run the executive command worker A for the first time
Run the execution command worker B for the second time
Run the execution order worker A for the third time
.
The principle is simple.
Judge by if exist
The specified file does not exist the first time it runs
Then run command A
And create the specified file
The second run time specifies that the file exists
Then run command B
And delete the specified file
The specified file does not exist in the third run
.
Two examples are written so that you can have a try.
1. Show / hide the file extension (effective after running and refreshing)
@ echo off
If not exist c:windows\ wind.txt (
Break > c:windows\ wind.txt
Reg add hkcu\ software\ microsoft\ windows\ currentversion\ explorer\ advanced / v hidefileext / t reg_dword / d 0 / f
) else (
Reg add hkcu\ software\ microsoft\ windows\ currentversion\ explorer\ advanced / v hidefileext / t reg_dword / d 1 / f
Del c:windows\ wind.txt
)
2. Enable / disconnect broadband connection
@ echo off
If not exist c:windows\ wind.txt (
Break > c:windows\ wind.txt
Rasphone / d broadband connection
) else (
Rasphone / h broadband connection
Del c:windows\ wind.txt
)
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