NP. You may know this, but there is also 'sed nq' where n is a number. E.g.: sed 15q file.txt which is like the 'head' command - prints the 1st 15 lines of f

NP. You may know this, but there is also 'sed nq' where n is a number. E.g.: sed 15q file.txt which is like the 'head' command - prints the 1st 15 lines of file.txt and then stops.