(Classic ASP) SFTP Get Size of File on Server

See more SFTP Examples

Demonstrates how to get the size of an existing file on the server.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

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' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.SFtp")
set sftp = Server.CreateObject("Chilkat.SFtp")

' Set some timeouts, in milliseconds:
sftp.ConnectTimeoutMs = 5000
sftp.IdleTimeoutMs = 10000

' Connect to the SSH server.  
' The standard SSH port = 22
' The hostname may be a hostname or IP address.
hostname = "sftp.example.com"
port = 22
success = sftp.Connect(hostname,port)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

' Authenticate with the SSH server.  Chilkat SFTP supports
' both password-based authenication as well as public-key
' authentication.  This example uses password authenication.
success = sftp.AuthenticatePw("myLogin","myPassword")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

' After authenticating, the SFTP subsystem must be initialized:
success = sftp.InitializeSftp()
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

' Assuming we know the file size won't be too large, we get the size as a 32-bit integer.
' For SFTP, the remote file path is always either a path relative to the HOME directory of the user account, or an absolute path on the server.
bFollowLinks = 1
bIsHandle = 0
fileSize = sftp.GetFileSize32("someDir/someFile.dat",bFollowLinks,bIsHandle)
If (fileSize < 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "file size = " & fileSize) & "</pre>"

' If the file size might be too large for a 32-bit signed integer, then get the size as a decimal string.
' You can convert the string to a 64-bit integer in your programming language.
fileSizeStr = sftp.GetFileSizeStr("someDir/someFile.dat",bFollowLinks,bIsHandle)
If (sftp.LastMethodSuccess = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "file size = " & fileSizeStr) & "</pre>"

' You can alternatively get the size with an open file handle.
handle = sftp.OpenFile("someDir/someFile.dat","readOnly","openExisting")
If (sftp.LastMethodSuccess <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

' Get the size using the handle.
bIsHandle = 1
fileSize = sftp.GetFileSize32("someDir/someFile.dat",bFollowLinks,bIsHandle)
If (fileSize < 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "file size = " & fileSize) & "</pre>"

' -----------------------------------------------------------------------------
' Don't forget to close the file handle.
' Otherwise open handles will accumulate on the server until eventually a limit
' is reached and the server will fail on a call to OpenFile.
' -----------------------------------------------------------------------------

' Close the file.
success = sftp.CloseHandle(handle)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If


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