Date wise calculations?

Don & rudi ,

Thanks a lot , sorry to trouble you folks with my wrong input. will make sure not to repeat again.

Don,

Thanks for the explaination, It helps us lot (novice users).
How do i print headers in beginning, Can you plz help there, I tried doing m geting syntax error.

Why aren't the headers in your input file at the start of your input file anymore?

What did you try doing to print headers? What syntax error(s) did you get?

Sorry Don, My mistake again, I had not remove one paranthesis. It is working