find and replace string in a file

Question

I\'m trying to find and replace a string in a folder of files.

Could someone possibly help me?

My script is as follows:

#!/bin/bash
OLD=\"Thi         


        

Answer 1

this is a snippet i use, it removes all stuff between APA and BEPA (across multiple lines, including removing APA, BEPA) in all files below current directory, exclude the .svn directory

find . \! -path '*.svn*' -type f -exec sed -i -n '1h;1!H;${;g;s/APA[ \t\r\n]*BEPA//g;p}' {} \;