Someone

INPUT=
SEPARATOR="#"

if [ $# -gt 0 ]; then

        if [ -e $1 ]; then
                INPUT=$1
                shift
        fi

        #if [ $1 == "-T" ]; then
        if [ `echo $1 | cut -c 1-2` == "-T" ]; then
                DELIMITER=`echo $1 | cut -c 3`
        fi
fi