Batch script to find and replace a string in text file within a minute for files up to 12 MB

Question

I have written a batch script to replace a string in text file.

Following is the script.

@echo off &setlocal
set \"search=%1\"
set \"replace=%2\"         


        

Answer 1

Try this:

@echo off &setlocal
setlocal enabledelayedexpansion

set "search=%1"
set "replace=%2"
set "textfile=Input.txt"
set "newfile=Output.txt"
(for /f "delims=" %%i in (%textfile%) do (
    set "line=%%i"
    set "line=!line:%search%=%replace%!"
    echo(!line!
))>"%newfile%"
del %textfile%
rename %newfile%  %textfile%
endlocal