Batch Script - Mid String

This is used to extract a substring via the position of the characters in the string.

Example

@echo off 
set str = Helloworld 
echo %str%

set str = %str:~5,10% 
echo %str%

The key thing to note about the above program is, ~5,10 is used to specify the characters which needs to be displayed. In this case, we want character 5 to 10 should be displayed.

Output

The above command produces the following output.

Helloworld 
world