plymouth-preview

#!/bin/bash

check_root () {
  if [ ! $(id -u) -eq 0 ]; then
    echo "Please run as root"
    exit
  fi
}
check_root
DURATION=$1
if [ $# -ne 1 ];
then
  DURATION=5
fi
plymouthd; plymouth --show-splash
for ((i=0; i<$DURATION; i++)); do
  plymouth --update=duration$i;
  sleep 1;
done;
plymouth --quit