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12.09.2006 at 11:25AM PST, ID: 22088023
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8.8

Need VB6 to read an extremely large text file

Asked by tomhoran in Visual Basic Programming

Tags: , , , ,

I need to be able to read a extremely large text file (the file is actually in EBCDIC format, but that’s another issue). I need to ready a fixed length file , record size is 5537 characters and the file can contain 500,000+ rows/records. So I can not use the "LOC" function as it only returns a Long Data Type, and my file will be much larger then that. Any suggestion on how I would process this file?

We have written a EBCDIC to ASCII conversion routine, so what I'd like to do is read the record into string variable, then I can pass the poritions of that string to our converion program.


Notes from VB6 help text:  With files opened for Binary access, an attempt to read through the file using the Input function until EOF returns True generates an error. Use the LOF and Loc functions instead of EOF when reading binary files with Input, or use Get when using the EOF function.
What I sthe difference between opening a file in Input or Binary mode?

Thanks TomStart Free Trial
[+][-]12.09.2006 at 01:16PM PST, ID: 18108735

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[+][-]12.09.2006 at 01:35PM PST, ID: 18108787

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[+][-]12.09.2006 at 01:37PM PST, ID: 18108791

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[+][-]12.09.2006 at 01:46PM PST, ID: 18108814

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[+][-]12.09.2006 at 01:55PM PST, ID: 18108836

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[+][-]12.09.2006 at 05:28PM PST, ID: 18109435

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About this solution

Zone: Visual Basic Programming
Tags: file, text, read, vb6, large
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Solution Provided By: acperkins
Participating Experts: 3
Solution Grade: A
 
 
[+][-]12.09.2006 at 07:54PM PST, ID: 18109707

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