Need-To remove header/trailor and add-date-on first-postion-plz-help

Shell Programming and Scripting
1

Hi Friends thanks a lot....for ur replies its worked fine...i have one more question..
if i need to remove trailor (T000000004 ) as shown below file also with header.Plz help thanks
Source file:
H20100928
D04041201609360677PC790010384I
D04041203326357853PC790010645R
D04041203602983265PC790010740R
D04041208423493600PC790011258I
T000000004

Output File should be as :
20100928D04041201609360677PC790010384I
20100928D04041203326357853PC790010645R
20100928D04041203602983265PC790010740R
20100928D04041208423493600PC790011258I

2 
sed -e '1d;$d' -e "s/^/$(date +%Y%m%d)/" infile