multiple line

[kitti]

Hi all
I,am newbie perl ,i have text file like this

INPUT FILE

        <SUSCP:SNB=704131,LIST;

        SUBSCRIBER DATA
        SNB        DEV            DETY    SUT SCL         MIS             COS
        704131     LI3-37891                      IPT-1
                                                           ANT-2
                                                           EMA-5
                                                           FLA-2
                                                           CAW-1
                                                           KWC-1
                                                           CCB-2
        
        need only colum SNB and SCL for make the command line
OUTPUT

SUSCC:SNB=704131,SCL=IPT-1&ANT-2&.......&CCD-2;


thank you