Visual Basic Write & Input

Try loads your file content into an array,then from the array you can get and assign values:

Example:

Private Function ReadFileText(ByVal FileName As String) As String
    On Error GoTo EHandler
    Dim Handle As Integer
    Handle = FreeFile
    Open FileName For Input As #Handle
        ReadFileText = Input$(LOF(Handle), Handle)
        On Error Resume Next
    Close #Handle
    Exit Function
EHandler:
    ShowErrMsg
    On Error Resume Next
    Close #Handle
End Function

Private Sub WriteFileText(ByVal FileName As String, ByVal Source As String, Optional noCrlf As Boolean = False)
    On Error GoTo EHandler
    Dim Handle As Integer
    Handle = FreeFile
    Open FileName For Output As #Handle
        If noCrlf Then
            Print #Handle, Source;
        Else
            Print #Handle, Source
        End If
        On Error Resume Next
    Close #Handle
    Exit Sub
EHandler:
    On Error Resume Next
    Close #Handle
End Sub

then...

Dim tmp as string
dim tmpArr() as string

tmp = ReadFileText("c:\test.txt")
tmpArr = Split(tmp,vbcrlf)

'If file got 5 or more element
if ubound(tmpArr) >= 4 then
   msgbox "moi1 = " & tmpArr(0)
   msgbox "moi2 = " & tmpArr(1)
   msgbox "moi3 = " & tmpArr(2)
   msgbox "moi4 = " & tmpArr(3)
   msgbox "moi5 = " & tmpArr(4)
end if

to write to its value, just try:
tmpArr(4) = "Hello World"

then to save it back to file:

Dim newcontent as string
newcontent = tmpArr(0) & vbcrlf _
tmpArr(1) & vbcrlf _
tmpArr(2) & vbcrlf _
tmpArr(3) & vbcrlf _
tmpArr(4)

WriteFileText "C:\test.txt", newcontent

'Hope this helps

if want make all text to save in 10 char length, you can try this:

Dim newcontent as string
newcontent = tmpArr(0) & String( 10 - len(tmpArr(0) , " " ) & vbcrlf & _
tmpArr(1) & String( 10 - len(tmpArr(1) , " " ) & vbcrlf & _
tmpArr(2) & String( 10 - len(tmpArr(2) , " " ) & vbcrlf & _
tmpArr(3) & String( 10 - len(tmpArr(3) , " " ) & vbcrlf & _
tmpArr(4) & String( 10 - len(tmpArr(4) , " " )

WriteFileText "C:\test.txt", newcontent


also change the above:
Dim newcontent as string
newcontent = tmpArr(0) & vbcrlf _
tmpArr(1) & vbcrlf _
tmpArr(2) & vbcrlf _
tmpArr(3) & vbcrlf _
tmpArr(4)

to

Dim newcontent as string
newcontent = tmpArr(0) & vbcrlf & _
tmpArr(1) & vbcrlf & _
tmpArr(2) & vbcrlf & _
tmpArr(3) & vbcrlf & _
tmpArr(4)

cheers

those were fast replys, thanks. I'll test them out and find the suitable one
and maybe I'll make modifications to them so they'll suit for my needs just perfect.

Thanks guys :)

I'll post here how it turns out

ok thanks guys I found what I was looking for.

i was going to suggest searching for occurances of vbcrlf, you grab whole lines out by finding the vbcrlf after the line you want.

say you want line 3 just call

retLine$ = FindLine(3, strText)

strText being the string or text box you loaded the text file into, then delcare this sub in the form, or make it public and use it in a module.

Private Function FindLine(lineNum As Integer, ByVal FindIn As String) As String
    TLine& = 1
    For x = 1 To Len(FindIn)
        TCrlf& = InStr(1, FindIn, vbCrLf)
        If TCrlf& = 0 Then
            TCrlf& = Len(FindIn) + 1
        End If
        If TLine& = lineNum And TCrlf& > 1 Then
            FindLine = Mid(FindIn, 1, TCrlf& - 1)
            Exit Function
        End If
        TLine& = TLine + 1
        FindIn = Mid(FindIn, TCrlf& + 2)
    Next
    FindLine = "Not Found"
End Function

Guys, why are so many people still using the MSDOS Basic channels (the # stuff) to read/write files - if you're using VB why not use the Scripting object?

Thanx