cut

[root@server tmp]# cat range.txt abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxy

[root@server tmp]# cut range.txt  -c 1-2abababab

[root@server tmp]# cut range.txt  -c 1-2,6-9 --output-delimiter ","ab,fghiab,fghiab,fghiab,fghi