Question : Get the string from a specific position

I am looking for  a specific string in a file .I need the value after the  specific string


echo `head -1 xxx|sed 's/ //g'`|grep DATE=

I need to get the value of 6 charectsrs after DATE=  in the header line


Here is the sample

   200635SEE               DATE=050708                                                                                             HDR


Finally I need to sarch for DATE= & get the value after that(6 CHarecters)

Answer : Get the string from a specific position

sed 's/.*DATE=\(......\).*/\1/'