Example program for file updating random access


13-May-2019 04:40

A discussion of sequential file I/O operation begins on page 45 of your MS Basic manual (ver. The purpose of this column is to help you develop an understanding of random access I/O and how to use it in your own programs.

It is very easy to understand how data is structured in sequential files.

If you don't require too many records and don't expect to ever expand the file, a sequential file many be suitable.

The is especially true if you have a lot of RAM to work with and a comparatively small data file.

example program for file updating random access-40

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Now decide how many individual records you expect to have in the file.

This leaves an available record for late addition of a new record (if you keep track of which records have been deleted).



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Need simple example of updating a text file. I want to develop a program that writes a number to the file in. and maybe using Random Access File you can.… continue reading »


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