applying header record using script task ssis

Hi guys,

I was stucked at creating header record in flat file. can you please provide me some code using script task. header should be like follows,

RECORDTYPE - H (size 1)

ACCOUNT NUMBER - U12345 (size 8)

DATE - CCYYMMDD (size 8)

EXTRASPACE - 50 SPACES (size 50)

OVER ALL MY HEADER SHOULD BE LIKE

HU1234520130326                                                                  -- header should be like this and spaces of 50 after this...

can any one help me out this with script task.... posting the code which gives this result would be appreciated....

thanks

fresher geek