search - Find a string and replace specific letters in batch file

Question

I have a to create an autosys job to trigger a batch file which would find a specific string and then replace the next 4 characters.

For example if file (with multiple lines) has below content and i am searching for played

the mad fox jumped of the old vine and played soccer.

I should replace "socc" with "INFA"

I am new to batch files and my lead has been insisting that i do this using a batch file only. Any help would be greatly apprciated.

Thanks, Joy

Answer 1

@echo off &setlocal
set "search=search string"
set "replace=kordo anstataui"
set "textfile=file.txt"
set "newfile=new.txt"

(for /f "delims=" %%i in ('findstr /n "^" "%textfile%"') do (
    set "line=%%i"
    setlocal enabledelayedexpansion
    set "line=!line:%search%=%replace%!"
    echo(!line!
    endlocal
))>"%newfile%"
type "%newfile%"