batch script to print previous and next lines of search string in a text file

Question

I have a batch script which will print the entire line of search string into a text file.

for %%i in (log.txt) do (
FINDSTR /G:pattern.txt %%i >> outpu         


        

Answer 1

This uses a helper batch file called findrepl.bat from - http://www.dostips.com/forum/viewtopic.php?f=3&t=4697

@echo off
set "var=searchterm"
type "file.txt"|findrepl "%var%" /o:-1:+1 |find /v "%var%"