--buf megabytes          input buffer size & pipeline buffer sizes in megabytes (MiB) (default 40)
  -e, --exec command           command to run pipeline with; repeat multiple times to pass multi-word command; defaults to '-e=$SHELL -e=-c'
      --noinput                start with empty buffer regardless if any input was provided
  -c, --pipeline commands      initial commands to use as pipeline (default empty)