Creating fdisk partition - Through script

fdisk command operation can be done through script (or) in a command line method. fdisk accepts commands through stdin. Below appropriate command can used with fdisk

• fdisk to clear a partition (if exists) and create a new partition which is entire disk 

                  (echo o; echo n; echo p; echo 1; echo ; echo; echo w) | fdisk

• fdisk to create a partition of 200MB size

                  (echo n; echo p; echo 1; echo 1; echo 200; echo w) | fdisk /dev/sdc