Lua

Send an FTP SITE Command

Demonstrates the Chilkat Ftp2.Site method, which sends a server-specific SITE command. The only argument is the text following SITE, for example CHMOD 644 index.html.

Background: SITE is FTP's extension point for features outside the standard — each server defines its own subcommands. The best-known is SITE CHMOD on Unix servers to set file permissions, but others cover mainframe dataset attributes, quotas, and more. Because these are non-standard and often privileged, expect them to vary by server and to require appropriate rights.

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Lua

local chilkat = require("chilkat")

-- Demonstrates the Ftp2.Site method, which sends a server-specific SITE command.  The only
-- argument is the text following "SITE".

local ftp = chilkat.Ftp2.new()

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"

-- Connect and log in (Connect performs both).
local success = ftp:connect()
if not success then
    print(ftp.last_error_text)
    return
end

-- SITE subcommands are defined by the server, not by the FTP standard, and may require special
-- permissions.  A common example is changing file permissions on a Unix FTP server.
success = ftp:site("CHMOD 644 public_html/index.html")
if not success then
    print(ftp.last_error_text)
    return
end

print("SITE command accepted.")

success = ftp:disconnect()
if not success then
    print(ftp.last_error_text)
    return
end