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Title | Read fixed-length records from a file |
Keywords | fixed-length, fixed length, record, random access, file |
Categories | Files and Directories, Software Engineering |
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Open the file for random access and read each record.
Note that the input variable file_record should have the same length as the file records. This variable can be a single fixed length string as in this example, or a user-defined type created using a Type statement.
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Private Sub Form_Load()
Const RECORD_LENGTH = 10
Dim fnum As Integer
Dim file_name As String
Dim file_record As String * RECORD_LENGTH
Dim i As Integer
' Get the file name.
file_name = App.Path
If Right$(file_name, 1) <> "\" Then file_name = _
file_name & "\"
file_name = file_name & "Fruit.txt"
' Open the file.
fnum = FreeFile
Open file_name For Random As #fnum Len = RECORD_LENGTH
' Read the records.
For i = 1 To LOF(fnum) \ RECORD_LENGTH
Get #fnum, i, file_record
Debug.Print "[" & file_record & "]"
List1.AddItem Trim$(file_record)
Next i
' Close the file.
Close #fnum
End Sub
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