Upgrade the script a little

run.sh

@@ -2,6 +2,15 @@
 
 IFS=$'\n'
 
-for file in $(find test -type f); do
-	build/main.out < $file
+if [[ -z $EXEC ]]; then
+	EXEC="build/main.out"
+fi
+
+if [[ -z $TEST_FOLDER ]]; then
+	TEST_FOLDER="test"
+fi
+
+for file in $(find "$TEST_FOLDER" -type f); do
+	echo "Arquivo de teste: $file"
+	"$EXEC" < "$file"
 done