read a very big single line txt file and split it

Question

I have the following problem: I have a file which is nearly 500mb big. Its text, all in one line. The text is seperated with a virtual line ending, its called ROW_DEL and is

Answer 1

Actually 500mb of text is not that big, it's just that notepad sucks. You probably don't have sed available since you're on windows but at least try naive solution in python, I think it will work fine:

import os
with open('infile.txt') as f_in, open('outfile.txt', 'w') as f_out:
  f_out.write(f_in.read().replace('ROW_DEL ', os.linesep))