B4X

SFTP Write Text File

See more SFTP Examples

Demonstrates how to create a new text file on the remote SSH server, append text by calling WriteFileText one or more times, and then close the file. B4X

Dim success As Boolean = False

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

Dim sftp As ChilkatSFtp
sftp.Initialize("sftp")

'  Set some timeouts, in milliseconds:
sftp.ConnectTimeoutMs = 5000
sftp.IdleTimeoutMs = 15000

'  Connect to the SSH server.  
'  The standard SSH port = 22
'  The hostname may be a hostname or IP address.
Dim hostname As String = "sftp.example.com"
Dim port As Int = 22
success = sftp.Connect(hostname, port)
If success <> True Then
    Log(sftp.LastErrorText)
    Return
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 <> True Then
    Log(sftp.LastErrorText)
    Return
End If


'  After authenticating, the SFTP subsystem must be initialized:
success = sftp.InitializeSftp
If success <> True Then
    Log(sftp.LastErrorText)
    Return
End If


'  Open a file on the server for writing.
'  "createTruncate" means that a new file is created; if the file already exists, it is opened and truncated. 
Dim handle As String = sftp.OpenFile("myTest.txt", "writeOnly", "createTruncate")
If sftp.LastMethodSuccess <> True Then
    Log(sftp.LastErrorText)
    Return
End If


'  Write some text to the file:
success = sftp.WriteFileText(handle, "ansi", "abcdefghijklmnopqrstuvwxyz")
If success <> True Then
    Log(sftp.LastErrorText)
    Return
End If


success = sftp.WriteFileText(handle, "ansi", "1234567890")
If success <> True Then
    Log(sftp.LastErrorText)
    Return
End If


success = sftp.WriteFileText(handle, "ansi", "ABCDEFGHIJKLMNOPQRSTUVWXYZ")
If success <> True Then
    Log(sftp.LastErrorText)
    Return
End If


'  Close the file.
success = sftp.CloseHandle(handle)
If success <> True Then
    Log(sftp.LastErrorText)
    Return
End If


Log("Success.")