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String Concatenation

Add one string to another string.

Description: This example shows how to add two strings in DOS.
Script:
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 set "str1=Hello"
  set "str2=World"

  set "str3=%str1%%str2%"
  set "str4=%str1% %str2%"
  set "str1=%str1% DOS %str2%"

  echo.%str3%
  echo.%str4%
  echo.%str1%
Script Output:
 DOS Script Output 
HelloWorld
  Hello World
  Hello DOS World