echo "**********************************************************" > rundemo.out
echo "whoami : " > rundemo.out
whoami >> rundemo.out
echo "" >> rundemo.out
echo "The differences between the sample.out produced by the professor" >> rundemo.out
echo "and that produces by the student are:" >> rundemo.out
toot polyTree.dem < /cs/course/1030/a3/sample.in > my.out
diff /cs/course/1030/a3/sample.out my.out >> rundemo.out
echo "End of differences"  >> rundemo.out
echo "" >> rundemo.out
echo "The output from myown sample are:" >> rundemo.out
toot polyTree.dem < mysample.in >>  rundemo.out