The Input # statement in VBA (Visual Basic for Applications) is used for reading data from a file opened in Input mode. It enables you to read strings or variables from a file into your VBA program. Here’s a basic overview of how to use it:

Steps to Use Input #

• Open the File: Before you can read from a file, you must open it using the Open statement.
• Read Data Using Input #: Once the file is open, you can use Input # to read the data.
• Close the File: Always remember to close the file after you’re done reading from it.

Example

Here’s a simple example to illustrate the use of Input #:

Sub ReadFromFile()
    Dim filePath As String
    Dim fileNum As Integer
    Dim data As String

    filePath = "C:\path\to\your\file.txt"  ' Specify the file path
    fileNum = FreeFile()                   ' Get an available file number

    ' Open the file for input
    Open filePath For Input As #fileNum

    ' Read data from the file
    Input #fileNum, data

    ' Close the file
    Close #fileNum

    ' Display the read data
    MsgBox data
End Sub

In this example:

• We define the file path and get a free file number using FreeFile().
• We open the file for input.
• Using Input #, we read data from the file into the variable data.
• After reading, we close the file.
• Finally, we display the read data in a message box.

Notes

• The Input # statement reads data as it’s formatted in the file, which means it expects the same format as it was written with, typically using Write #.
• When reading strings, Input # expects them to be enclosed in quotation marks as they usually are in files written with Write #.
• If the data in the file doesn’t match the expected format, an error may occur.
• Always handle potential errors, especially when dealing with file operations.
• Remember to close the file after finishing the reading process to release the file resources.

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