Line Input# Statement

Reads a line from a sequential file into a variable.


Line Input Statement diagram

Line Input #fileNum, variable


fileNum: Number of the file that contains the data that you want to read. The file must have been opened in advance with the Open statement using the key word INPUT.

variable: The name of the variable that stores the result.

Line Input# -lauseella luetaan merkkijonoja avoimesta tiedostosta muuttujaan. Merkkijonomuuttujat luetaan rivi kerrallaan ensimmäiseen telanpalautukseen (CR, Asc=13) tai rivin siirtoon (LF, Asc=10). Rivin lopetusmerkit eivät tule merkkijonoon.


Sub ExampleWorkWithAFile
Dim iNumber As Integer
Dim sLine As String
Dim aFile As String
Dim sMsg As String
    aFile = "c:\data.txt"
    iNumber = Freefile
    Open aFile For Output As #iNumber
    Print #iNumber, "Tämä on tekstirivi."
    Print #iNumber, "Tässä on toinen rivi tekstiä"
    Close #iNumber
    iNumber = Freefile
    Open aFile For Input As iNumber
    While Not eof(iNumber)
        Line Input #iNumber, sLine
        If sLine <>"" Then
            sMsg = sMsg & sLine & chr(13)
        End If
    Close #iNumber
    MsgBox sMsg
End Sub

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