VB.NET

Upload Text to an FTP Server (StringBuilder)

Demonstrates the Chilkat Ftp2.PutFileSb method, which encodes the text in a StringBuilder and uploads it to a remote path. The arguments are the StringBuilder, the charset, whether to include a byte-order mark, and the remote file path.

Background: The text-oriented upload: assemble a document — CSV, config, JSON — in a StringBuilder and the method handles encoding as it writes. The charset governs the bytes actually stored, and the byte-order-mark flag is useful when a consuming Windows application expects a BOM.

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Dim success As Boolean = False

'  Demonstrates the Ftp2.PutFileSb method, which encodes the text in a StringBuilder and uploads
'  it to a remote path.  The 1st argument is the StringBuilder, the 2nd is the charset, the 3rd
'  selects whether a byte-order mark is included, and the 4th is the remote file path.

Dim ftp As New Chilkat.Ftp2

ftp.Hostname = "ftp.example.com"
ftp.Username = "myFtpLogin"

'  Normally you would not hard-code the password in source.  You should instead obtain it
'  from an interactive prompt, environment variable, or a secrets vault.
ftp.Password = "myPassword"

success = ftp.Connect()
If (success = False) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


'  Build the text to upload.
Dim sb As New Chilkat.StringBuilder
sb.Append("name,quantity" & vbLf)
sb.Append("widgets,42" & vbLf)

'  Upload as UTF-8 without a byte-order mark.
Dim includeBom As Boolean = False
success = ftp.PutFileSb(sb,"utf-8",includeBom,"public_html/inventory.csv")
If (success = False) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If

Debug.WriteLine("Uploaded text file.")

success = ftp.Disconnect()
If (success = False) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If