http file download using vb script

출처 : http://www.robvanderwoude.com/vbstech_internet_download.php

 

HTTPDownload "http://www.robvanderwoude.com/files/wmigen.zip", "C:\"

Sub HTTPDownload( myURL, myPath )
' This Sub downloads the FILE specified in myURL to the path specified in myPath.
'
' myURL must always end with a file name
' myPath may be a directory or a file name; in either case the directory must exist
'
' Written by Rob van der Woude
' http://www.robvanderwoude.com
'
' Based on a script found on the Thai Visa forum
' http://www.thaivisa.com/forum/index.php?showtopic=21832

' Standard housekeeping
Dim i, objFile, objFSO, objHTTP, strFile, strMsg
Const ForReading = 1, ForWriting = 2, ForAppending = 8

' Create a File System Object
Set objFSO = CreateObject( "Scripting.FileSystemObject" )

' Check if the specified target file or folder exists,
' and build the fully qualified path of the target file
If objFSO.FolderExists( myPath ) Then
strFile = objFSO.BuildPath( myPath, Mid( myURL, InStrRev( myURL, "/" ) + 1 ) )
ElseIf objFSO.FolderExists( Left( myPath, InStrRev( myPath, "\" ) - 1 ) ) Then
strFile = myPath
Else
WScript.Echo "ERROR: Target folder not found."
Exit Sub
End If

' Create or open the target file
Set objFile = objFSO.OpenTextFile( strFile, ForWriting, True )

' Create an HTTP object
Set objHTTP = CreateObject( "WinHttp.WinHttpRequest.5.1" )

' Download the specified URL
objHTTP.Open "GET", myURL, False
objHTTP.Send

' Write the downloaded byte stream to the target file
For i = 1 To LenB( objHTTP.ResponseBody )
objFile.Write Chr( AscB( MidB( objHTTP.ResponseBody, i, 1 ) ) )
Next

' Close the target file
objFile.Close( )
End Sub