SHELL

batch write to text file

echo hello>test.txt

rem a single '>' will make a new file if one does not exist, and will overwrite
rem a previous file with the same line. to append to the same file, see below

echo hi>>test.txt

test.txt:
::hello
::hi

how to create a text file in batch

break >testfile.txt

writing to a text file in batch script

@echo off
echo This is a test> test.txt
echo 123>> test.txt
echo 245.67>> test.txt

rem Or you can use variables:
set a=%RANDOM%
echo %a% > test.txt

batch write to text file

(
  echo Line1
  echo Line2
  ...
  echo Last Line
) > filename.txt