diffp

#!/bin/bash

echo "Paste or type the first text now (press Enter, Ctrl-d when done):"
diff1=$(</dev/stdin)
echo "Paste or type the second text now (press Enter, Ctrl-d when done):"
diff2=$(</dev/stdin)
echo "-----------------------------------------------------"
echo "| Your diff taken at $(date +'%H:%M (%s)') starts here |"
echo "-----------------------------------------------------"
diff <(echo "$diff1") <(echo "$diff2")
if [[ $? -eq 0 ]]; then
    echo "|                                                   |"
    echo "| No diff. Inputs were identical.                   |"
    echo "-----------------------------------------------------"
else
    echo "-----------------------------------------------------"
    echo "| < this line came from your first input            |"
    echo "| > this line came from your second input           |"
    echo "-----------------------------------------------------"
fi

exit 0