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Open ASCII text file, read into ArrayList

Posted on 2006-11-02
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Last Modified: 2012-06-27
I need code that will open an ASCII text file and read each line into an ArrayList, please.
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Question by:Tom Knowlton
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3 Comments
 
LVL 10

Accepted Solution

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Kinger247 earned 300 total points
ID: 17860445
knowlton try:

        Dim sr As New System.IO.StreamReader("C:\text.txt")
        Dim Line As String = sr.ReadLine()
        Dim arr As New ArrayList

        Do While Line IsNot Nothing
            arr.Add(Line)
            Line = sr.ReadLine()
        Loop
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LVL 86

Assisted Solution

by:Mike Tomlinson
Mike Tomlinson earned 200 total points
ID: 17860544
Using a regular String Array:

        Dim sr As New System.IO.StreamReader("c:\someFile.txt")
        Dim lines() As String = Split(sr.ReadToEnd, vbCrLf)
        sr.Close()

A variation in loading an ArrayList:

        Dim sr As New System.IO.StreamReader("c:\someFile.txt")
        Dim lines As New ArrayList(Split(sr.ReadToEnd, vbCrLf))
        sr.Close()

With VB.Net 2005 you can make it a one-liner:

        Dim lines As New ArrayList(Split(My.Computer.FileSystem.ReadAllText("c:\someFile.txt"), vbCrLf))
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LVL 5

Author Comment

by:Tom Knowlton
ID: 17862854
Thank you so much.
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