00010 TYPE 4 00100 ACCEPT 1,F 00200 IF(LOOKD(F))GO TO 2 00300 3 TYPE 30 00310 30 FORMAT(' NO SUCH FILE') 00350 CALL EXIT 00400 2 TYPE 20 00475 20 FORMAT(' FOUND IT') 00500 1 FORMAT(A5) 00550 4 FORMAT(' TYPE FILE NAME'/) 00600 END