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11.03.2004 at 06:39PM PST, ID: 21193946
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8.6

How to "see" a CrLf at the end of a text record?

Asked by sasllc in Visual Basic Programming

Tags:

I have a simple program that someone helped me write--thus I don't completely understand it--that reads in text records and outputs excel records.  Up until now, I have been reading in simple text records which were all 12 bytes long, so I'm using this code to read them in:

                ' Open the stream and read it back.
                Dim fs As FileStream

                fs = File.Open(strSourceFile, FileMode.Open, FileAccess.Read)

                'record length plus 1 here
                Dim b(14) As Byte
                Dim temp As UTF8Encoding = New UTF8Encoding(True)

                Dim strLine As String
                Do While fs.Read(b, 0, b.Length) > 0
                    strLine = temp.GetString(b)
                    ParseLine(strLine)

As you can see, we are dimensiong 'b' as 14, which takes into consideration the 12 byte record plus the CrLf at the end of the record.

The problem is that I now need to be able to read in variable length records; some will be 6, while other are 12.  Both record types will end in CrLf.

Is there a simple way to build my string by reading data until I come to the CrLf, rather than having to use a fixed length as shown above?  I need an example that a rookie can understand, if possible.
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[+][-]11.03.2004 at 07:09PM PST, ID: 12489664

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[+][-]11.03.2004 at 08:39PM PST, ID: 12490062

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[+][-]11.04.2004 at 12:12AM PST, ID: 12491018

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[+][-]11.04.2004 at 12:13AM PST, ID: 12491025

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About this solution

Zone: Visual Basic Programming
Tags: crlf
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Solution Provided By: BrianGEFF719
Participating Experts: 4
Solution Grade: A
 
 
[+][-]11.12.2004 at 02:57AM PST, ID: 12564210

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