Shell Programming and Scripting

$curl -T file.wmv ftp.eu.filesonic.com --user user:password

curl: (8) Got a 421 ftp-server response when 220 was expected

while ! curl -T file.wmv ftp.eu.filesonic.com --user user:password
do
    sleep 1
done

(20:18:15\[D@DeCoWork15)
[~]$ cat help
upload ()
{
curl -T ${1} ftp.eu.filesonic.com --user user:password
}

  if [[ -z $1 ]];then
    echo "USAGE: $0 <file to upload>"
    exit 1
  fi


while true;do
  upload ${1}
    if [[ ${?} -ne 0 ]];then
      upload
    else
      echo "$1 uploaded successfully"
      exit 0
    fi
done