./prog1grade.sh cpts427p1STUDENT1  &> cpts427p1STUDENT1.out
./prog1grade.sh cpts427p1STUDENT2  &> cpts427p1STUDENT2.out
./prog1grade.sh cpts427p1STUDENT3  &> cpts427p1STUDENT3.out

grep "are identical" *.out &> identical-count.txt