How to echo “2” (no quotes) to a file, from a batch script?

Question

How do I echo the number 2 into a file, from a batch script?

This doesn\'t work:

Echo 2>> file.txt

because 2&g

Answer 1

Or you can use the delayed expansion

setlocal EnableDelayedExpansion
set "var=2"
echo(!var!>> file.txt