//DD1 DD DSN=NAME1,DISP=SHR
=MID(B16,FIND("DSN=",B16,1)+4,IF(1=1,FIND(",",B16,FIND("DSN=",B16,1)+4)-FIND("DSN=",B16,1)-4,FIND("",B16,FIND("DSN=",B16,1)+4)))
//DD1 DD DISP=SHR,DSN=NAME1
=MID(B17,FIND("DSN=",B17,1)+4,IF(1=0,FIND(",",B17,FIND("DSN=",B17,1)+4)-FIND("DSN=",B17,1)-4,FIND("",B17,FIND("DSN=",B17,1)+4)))
