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Reading and writing to/from a text file using TextStreams Part three of a three-part series of blogs
The easiest way to work with text files in VBA is using TextStream objects - this blog explains how they work. Reading and Writing Text Files using TextStreams Creating a Text File and Writing Lines Reading in Lines from a Text File (this blog) This blog is part of a complete Excel VBA tutorial, but we also run classroom training courses in VBA.

Reading and writing to/from a text file using TextStreams

Part three of a three-part series of blogs

The easiest way to work with text files in VBA is using TextStream objects - this blog explains how they work.

Reading and Writing Text Files using TextStreams
Creating a Text File and Writing Lines
Reading in Lines from a Text File (this blog)

This blog is part of a complete Excel VBA tutorial, but we also run classroom training courses in VBA.

Posted by Andy Brown on 13 January 2012

Reading in Lines from a Text File

Sample Code to Loop Over Lines

Having created a text file (as per the previous part of this blog), here's some code to read it in. The trick is to keep reading lines until we reach the end of the text stream:

Sub ReadFile()

'again, we need this strange thing to exist so that ...

Dim fso As New FileSystemObject

'the file we're going to read from

Dim ts As TextStream

'... we can open a text file with reference to it

Set ts = fso.OpenTextFile("C:\Wise Owl\info.txt", ForReading)

'keep reading in lines till no more

Dim ThisLine As String

Dim i As Integer

i = 0

Do Until ts.AtEndOfStream

ThisLine = ts.ReadLine

i = i + 1

Debug.Print "Line " & i, ThisLine

Loop

'close down the file

ts.Close

End Sub

Here's what this would show in the immediate window:

The routine prints out the lines to the immediate window

More on the OpenTextFile Method

When you choose to open a text file, you can do it in one of 3 ways:

The 3 possible ways to open a text stream

In our example we wanted to read from the file, but you can also use the OpenTextFile method to open a file to write more lines to it (using ForAppending).

Parts of this blog
Reading and Writing Text Files using TextStreams Creating a Text File and Writing Lines Reading in Lines from a Text File (this blog)

Some other pages relevant to the above blogs include:

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Reading in Lines from a Text File

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