echo 'Display tab characters as ^I'
echo "-------------------------------"

cat -T $LLO_DATAFILE | head -9
echo ""

echo "Display non printing characters"
echo "-------------------------------"

cat -v $LLO_DATAFILE | head -9
echo ""

echo "Suppress repeated empty lines"
echo "-------------------------------"

cat -s $LLO_DATAFILE | head -9
echo ""

echo "In case, you need to use the -v, -E and -T option together, you can just use the -A command line option."
echo "-------------------------------"

cat -A $LLO_DATAFILE | head -9
echo ""