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LOGIC Apps
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LOGIC Apple II 5.25" Library - DOS Part 3
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DOS078A.dsk
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TEXT FILE RANDOM DISPLAY.bas
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BASIC Source File
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2012-02-16
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750b
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17 lines
5 D$ = "<CTRL-D>"
7 ONERR GOTO 30000
9 PRINT "PROGRAM TO DISPLAY RANDOM ACCESS FILES": PRINT "ASSUMES ONE LINE OF TEXT PER RECORD...": PRINT "(I.E. ONE RETURN CHARACTER/RECORD"
10 PRINT : PRINT "HIT ANY KEY TO CONTINUE": GET A$: PRINT : HOME
15 PRINT D$;"CATALOG"
17 PRINT
20 INPUT "RANDOM TEXT FILENAME: ";RF$
30 INPUT "WHAT IS THE RECORD LENGTH? ";NB
40 PRINT : PRINT D$;"OPEN ";RF$;",L";NB
50 INPUT "READ WICH RECORDS (FROM,TO)? ";R1,R2: PRINT
60 FOR I = R1 TO R2
70 PRINT D$;"READ ";RF$;",R";I
80 GET A$: PRINT : PRINT A$;: IF ASC(A$) < >13 THEN 80
90 NEXT : PRINT D$: PRINT : GOTO 50
30000 ER = PEEK(222)
30100 IF ER = 5 THEN PRINT D$: PRINT "RECORD CALLED OUT OF BOUNDS": PRINT D$;"CLOSE": GOTO 40
30200 PRINT D$;"CLOSE"