I have below file: main.txt
/F/FID/FID/000001/0/20180215//1/2/
/F/FID/FID/000002/0/20180215//1/2/
/F/FID/FID/000003/0/20180215//1/2/
/F/FID/FID/000004/0/20180215//1/2/
/F/FID/FID/000005/0/20180215//1/2/
/F/FID/FID/000006/0/20180215//1/2/
I like to use sed to print every two rows into a new file:
file1.txt
/F/FID/FID/000001/0/20180215//1/2/
/F/FID/FID/000002/0/20180215//1/2/
file2.txt
/F/FID/FID/000003/0/20180215//1/2/
/F/FID/FID/000004/0/20180215//1/2/
file3.txt
/F/FID/FID/000005/0/20180215//1/2/
/F/FID/FID/000006/0/20180215//1/2/
split
command is better suited here.. seeman split
for details.. if you try that and still have some doubts, you can update the question..