How to implement user sort ?

[passtosekar]

Hi,
My input records are as like below,
South,
North,
West,
East.

I need below mentioned output in a sequential file.

West,
North,
East,
South.

Please help me to achive this.

Regards,
Sekar.

[mystuff]

Weigh each field with a rank and then sort based on the rank given to that field.