diff -r c3b33c709696 -r 067afe8af35b testing1/collatz_test.sh
--- a/testing1/collatz_test.sh	Fri Nov 01 12:39:25 2019 +0000
+++ b/testing1/collatz_test.sh	Fri Nov 01 23:14:35 2019 +0000
@@ -6,10 +6,10 @@
 
 out=${1:-output}
 
-echo "" > $out
+echo -e "" > $out
 
-echo "Below is the feedback for your submission collatz.scala" >> $out
-echo "" >> $out
+echo -e "Below is the feedback for your submission collatz.scala" >> $out
+echo -e "" >> $out
 
 
 # compilation tests
@@ -33,14 +33,14 @@
 
 # var, .par return, ListBuffer test
 #
-echo "collatz.scala does not contain vars, returns etc?" >> $out
+echo -e "collatz.scala does not contain vars, returns etc?" >> $out
 
 if (scala_vars collatz.scala)
 then
-  echo "  --> FAIL (make triple-sure your program conforms to the required format)\n" >> $out
+  echo -e "  --> FAIL (make triple-sure your program conforms to the required format)\n" >> $out
   tsts0=$(( 0 ))
 else
-  echo "  --> success" >> $out
+  echo -e "  --> success" >> $out
   tsts0=$(( 0 )) 
 fi
 
@@ -49,14 +49,14 @@
 
 if  [ $tsts0 -eq 0 ]
 then 
-  echo "collatz.scala runs?" >> $out
+  echo -e "collatz.scala runs?" >> $out
 
   if (scala_compile collatz.scala)
   then
-    echo "  --> success" >> $out
+    echo -e "  --> success" >> $out
     tsts=$(( 0 ))
   else
-    echo "  --> SCALA DID NOT RUN COLLATZ.SCALA\n" >> $out
+    echo -e "  --> SCALA DID NOT RUN COLLATZ.SCALA\n" >> $out
     tsts=$(( 1 )) 
   fi
 else
@@ -67,16 +67,16 @@
 
 if [ $tsts -eq 0 ]
 then
-  echo "collatz.scala tests:" >> $out
-  echo "  collatz(1) == 0" >> $out
-  echo "  collatz(6) == 8" >> $out
-  echo "  collatz(9) == 19" >> $out
+  echo -e "collatz.scala tests:" >> $out
+  echo -e "  collatz(1) == 0" >> $out
+  echo -e "  collatz(6) == 8" >> $out
+  echo -e "  collatz(9) == 19" >> $out
 
   if (scala_assert "collatz.scala" "collatz_test1.scala")
   then
-    echo "  --> success" >> $out
+    echo -e "  --> success" >> $out
   else
-    echo "  --> ONE OF THE TESTS FAILED\n" >> $out
+    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
   fi
 fi
 
@@ -84,18 +84,18 @@
 
 if [ $tsts -eq 0 ]
 then
-  echo "  collatz_max(10) == (19, 9)" >> $out
-  echo "  collatz_max(100) == (118, 97)" >> $out
-  echo "  collatz_max(1000) == (178, 871)" >> $out
-  echo "  collatz_max(10000) == (261, 6171)" >> $out
-  echo "  collatz_max(100000) == (350, 77031)" >> $out
-  echo "  collatz_max(1000000) == (524, 837799)" >> $out
+  echo -e "  collatz_max(10) == (19, 9)" >> $out
+  echo -e "  collatz_max(100) == (118, 97)" >> $out
+  echo -e "  collatz_max(1000) == (178, 871)" >> $out
+  echo -e "  collatz_max(10000) == (261, 6171)" >> $out
+  echo -e "  collatz_max(100000) == (350, 77031)" >> $out
+  echo -e "  collatz_max(1000000) == (524, 837799)" >> $out
 
   if (scala_assert "collatz.scala" "collatz_test2.scala") 
   then
-    echo "  --> success" >> $out
+    echo -e "  --> success" >> $out
   else
-    echo "  --> ONE OF THE TESTS FAILED\n" >> $out
+    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
   fi
 fi