$ cyradm [--user user] [--[no]rc] [--systemrc file] [--userrc file] \
  > [--port n] [--auth mechanism] [--tlskey keyfile] [--notls] \
  > [--server] server

but possibly

  $ perl -MCyrus::IMAP::Shell -e 'run("myscript")'

or even (not recommended)

  use Cyrus::IMAP::Admin::Shell;

  run('myscriptname');