How to apply batch variables

Editor to share with you how to apply batch variables, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Specific application:

1. Get the variable quantum string: echo% date:~0,4%%date:~5,2%%date:~-2,2%%time:~0,2%%time:~3,2%%time:~6,2%

2. Variable content replacement: set str=000111000 & & echo% str:000=222% & & echo% date:-=%%time::=%

3. Delay variable environment extension: cmd / v:on

Set / a jambo0

For / l% I in (1meme 1je 10) do set / a jacks, etc.

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