#!/bin/bash
# https://www.davidvajda.de/viewtopic.php?p=1670#p1670
firstname="David"
name="Vajda"
if [[ "\$firstname" == "\$1" \&\& "\$name" == "\$2" ]]
then
echo "Das bin ich"
elif [ "\$firstname" == "\$1" ]
then
echo "Das bin wahrscheinlich ich"
else
echo "Das bin ich nicht"
fi