10 REM FILE TEST 20 OPEN 1, 8, 4, "TESTFILE,SEQ,W" 30 IF ST <> 0 THEN PRINT "FILE ERROR" 40 IF ST = 0 THEN PRINT "FILE EXISTS" 50 CLOSE 1
ERROR: #I78N9DVOUW3TD16CSGO7ILVSM2H8W579