Append a Local File to a Remote FTP File

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Demonstrates the Chilkat Ftp2.AppendFile method, which appends the contents of a local file to a remote file. The first argument is the local file path and the second is the remote file path. It uses the FTP APPE command.

Note: The local paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

// Demonstrates the Ftp2.AppendFile method, which appends the contents of a local file to a remote
// file.  The 1st argument is the local file path and the 2nd is the remote file path.

let ftp = chilkat::Ftp2::new();

ftp.set_hostname("ftp.example.com");
ftp.set_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.set_password("myPassword");

if ftp.connect().is_err() {
    println!("{}", ftp.last_error_text());
    return;
}

// Uses the FTP APPE command.  On a server with normal APPE behavior, a missing remote file is
// created; otherwise the local bytes are appended to the end of the existing remote file.
if ftp.append_file("qa_data/today.log", "logs/app.log").is_err() {
    println!("{}", ftp.last_error_text());
    return;
}

println!("Appended to the remote file.");

if ftp.disconnect().is_err() {
    println!("{}", ftp.last_error_text());
    return;
}