Creating a Batch to change a line (find and replace text) [duplicate]

Question

I'm trying to create a batch file that replaces a line in a text file.

The line is: Window Resolution:

Depending on some settings in my program, this line can look like this:

Window Resolution: 1

Window Resolution: 2

Window Resolution: 3

I need to replace Window Resolution: (number) with Window Resolution: 1 using a batch.

My first guess would be to create something like this:

@echo off
setlocal enableDelayedExpansion

:Variables
set InputFile=configfile.txt
set OutputFile=tempconfigfile.txt
set "_strFind=Window Resolution:"
set "_strInsert=Window Resolution: 1"

:Replace
>"%OutputFile%" (
  for /f "usebackq delims=" %%A in ("%InputFile%") do (
    if "%%A" equ "%_strFind%" (echo %_strInsert%) else (echo %%A)
  )
)

DEL %InputFile%
MOVE %OutputFile% %InputFile%

ENDLOCAL

But I can't get this working... Any advice would be awesome. Thank you.

Stephan · Accepted Answer · 2020-08-23 21:00:23Z

1

Your problem is if "%%A" equ "%_strFind%": Window Resolution: x will never be equal to Window Resolution:. Replace your if approach with:

echo %%A|findstr /bc:"Window Resolution:" >nul &&echo %_strInsert%||echo %%A

edited Aug 23, 2020 at 21:00

answered Aug 23, 2020 at 20:54

Stephan

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