Download a text file using HTTP

Posted on 2000-03-16
Last Modified: 2012-05-04
Can anyone give me an EXAMPLE of how to download a text file from a server onto the local machine without any user interaction (ie no prompts to run from current location or save).

Ie the answer I am looking for is a complete version of the following

Public Function GetFile(byval sURL as string, byval sFileName as string) as Boolean

    'Download and store file at sURL as sFilename
    'Return True/False based on success of operation

End Function

I have seen a very similar question posted here before but the accepted answer wasnt a complete solution and I cant get it to work.

Anybody able to provide me with a complete example in the format above ?

Question by:paulstamp
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LVL 28

Expert Comment

ID: 2622736
are you partial against using the inet control?

Author Comment

ID: 2622740
Nope... thats fine.
LVL 28

Expert Comment

ID: 2622749
well you can stick an inet control on your form and try this:

Dim b() As Byte
Dim intCount As Integer
Dim strData As String

Inet1.Cancel ' Stops any current operations

b() = Inet1.OpenURL("", icByteArray)

For intCount = 0 To UBound(b) - 1

  strData = strData & Chr(b(intCount))
Next intCount

Open "myfile.txt" For Binary Access Write As #1

Put #1, , b()

Close #1

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LVL 28

Accepted Solution

AzraSound earned 75 total points
ID: 2622765
If you wanted to write directly to the file on the disk and surpass first putting the info into a byte array then you can use:

Dim strURL As String      ' URL string
Dim intFile As Integer   ' FreeFile variable
IntFile = FreeFile()
strURL = ""
Open "c:\temp\myfile.txt" For Output _
As #IntFile
Write #IntFile, Inet1.OpenURL(strURL)
Close #IntFile
LVL 28

Expert Comment

ID: 2622782
What do you meen "Text File?" Page?
Add Internet Transfer Control(Inet1) at your form

Private Function GetPage(sURL As String, sFile As String) As Boolean
   Dim nFile As Integer
   GetPage = True
   On Error GoTo ERROR_GetPage
   Dim b() As Byte
   Inet1.Protocol = icHTTP
   Inet1.URL = sURL
   b() = Inet1.OpenURL(, icByteArray)
   nFile = FreeFile
   Open sFile For Binary Access Write As nFile
   Put nFile, , b()
   Close nFile

   Exit Function

Select Case MsgBox("Error " & Err.Number & ": " & Err.Description & " at line: " & Erl, vbAbortRetryIgnore + vbCritical, "Error")
       Case vbAbort
            Screen.MousePointer = vbDefault
            GetPage = False
            Resume EXIT_GetPage:
       Case vbRetry
       Case vbIgnore
            GetPage = False
            Resume Next
End Select
Resume EXIT_GetPage
End Function
LVL 28

Expert Comment

ID: 2622792
AzraSound:Sorry, look at time when i posted message - I didn't see your comments.
LVL 28

Expert Comment

ID: 2622797
Not a problem....the more the merrier for those who need answers  =)

Author Comment

ID: 2623015
Thanks AzraSound... thats pretty much what I needed. Only two minor problems :

a) Unfortunately it puts quotes around the data in the file but thats not a big issue.

b) It seems to be cacheing the file somewhere : The situation is I'm writing a vb front end to a web-based system (I'm writing both sides of the equation), and when I modify the text file on my web site I still seem to be getting the file I first downloaded.

Any ideas (not to worry if you havent - you have already answered my real question).


Author Comment

ID: 2623060
Actually.. scrub the last point - I've found out why its downloading an old version - got two different versions of the web site and I'm looking at wrong one !

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