Usage: rhn_channel_download.pl --username <rhn-username> --password <passwd> [ optional options  ]

 required:

  --username            the username you got from RHN network
  --password            the password for RHN Network

 optional:
  --channel             the RHN channel you wish to download from (if not set, script will present a selection)
  --architecture        your Hardware architecture (if not set, script will present a selection)
  --destination         the directory you want to download to (defaults to '.')
  --list                The file (without path) with the rpm-list (defaults to '.rpmlist' in the destination), will be updated
  --recipient           Recipient for the mail, set this to a valid email address otherwise NO MAILS will be sent
  --sender              Sender of the mail (defauls to some meaningful sender)
  --verbose             More output (without -v, only summary and some warnings will be displayed)
  --quiet               Don't print summary
  --help                This help