How to write a bat to search and select a specific line and save the result?

Question

cmd/bat

Hello. There is such a problem. I have a lot of small XML files (about 800) and I need to copy one line from them, in all files it starts and ends the same, only the numbers inside are different (...). We need a bat or a script that will look through all the files and copy this line into one document.

Answer 1

FINDSTRor FINDand redirect output to a file.