Mine

for implementation in $(find -maxdepth 1 -mindepth 1 -type d);
do
{
	cd $implementation/
	cp ../test.c test.c
	cp ../sdbm.h sdbm.h
	gcc -ansi -pedantic -Wall -Wextra -std=c99 -O -o test sdbm.o sdbm.h test.c
	(pwd)>>../REPORT
	./test  2>&1 > ../REPORT 
	cd ..
}
done