Commodore 1570 - Page 6

CHAPTER 4: DOS SHELL ......•...•......•....•..•..•................ 33
language selection
...•...•...•.........•........................ 33
primary menu screen •...•...................................... 33
disk/printer setup
..•.......................................•..• 33
run a program ••...•........................................... 34
format a disk .••...........................•.....•............. 34
cleanup a disk .....•....•...•............................. ' ..... 34
copy a disk
•....................•.....•..........•............. 35
copy files
..............•...••..........•...................•.. 35
delete files
..............••............................•....... 36
restore files
...........................................•....... 36
rename files
..............................................•.... 37
reorder directory .......•...................................... 37
PART TWO: ADVANCED OPERATION
AND PROGRAMMING
CHAPTER 5: SEQUENTIAL DATA FILES
........•...................... 39
the concept of files
............................................• 39
opening a file ...............•......•........................... 39
adding to a sequential file •...•......•........................... 43
writing file data: using print# ................................... 43
closing a
file ........•....•............•........................ 45
reading file data: using input# ................................... 46
more about input# (advanced users) .............................. 47
numeric data storage on diskette ................................. 48
reading file data: using get# ..................................... 49
demonstration of sequential files .................................. 51
CHAPTER 6: RELATIVE DATA FILES .................................. 53
the value of relative access ....................................... 53
files, records, and fields ......................................... 53
file limits •.................................................... 54
creating a relative
file ........................................... 54
using relative files:
record# command ............................. 55
completing relative file creation .................................. 57
expanding a relative
file .....................................•... 59
writing relative
file data ..............................•.......... 59
designing a relative record
...................................... 59
writing the record
.............................................. 60
reading a relative record ........................................ 64
the value
of index files (advanced users) ........................... 66