SYNOPSIS

cronjob [-cEfjrs] [long options...]
  -c --command          command to run (passed to ``)
  -s --subject          subject of mail to send (defaults to command)
  -r --rcpt             recipient of mail; may be given many times
  -E --errors-only      do not send mail if exit code 0, even with output
  -f --sender           sender for message
  -j --jobname          job name; used for locking, if given
  --ignore-errors       error types to ignore (like: lock)
  --lock                lock this job (defaults to true; --no-lock for off)