I have very big text files (more than 4 GB in size) and I know that my search pattern occurs at most one time in that file.
I'm writing a script to find patterns in that file but even if the grep finds the pattern at the very beginning of the file, it is continue to search until end of the file.
I don't want to wait until end of the file in my script because I know that there can be only one match at most.
So, how can I tell
grep to stop finding another matching lines after a matched line was found?