diff -r ec9773fe1dc0 -r ef5f62bf5987 testing2/docdiff_test.sh
--- a/testing2/docdiff_test.sh	Tue Oct 29 14:34:51 2019 +0000
+++ b/testing2/docdiff_test.sh	Tue Oct 29 23:56:13 2019 +0000
@@ -15,13 +15,13 @@
 # compilation tests
 
 function scala_compile {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc "$1" 2>> $out 1>> $out) 
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala "$1" 2>> $out 1>> $out) 
 }
 
 # functional tests
 
 function scala_assert {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc -i "$1" "$2" -e "" 2> /dev/null 1> /dev/null)
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" 2> /dev/null 1> /dev/null)
 }
 
 # purity test
@@ -37,10 +37,10 @@
 
 if (scala_vars docdiff.scala)
 then
-  echo "  --> fail (make triple-sure your program conforms to the required format)" >> $out
+  echo -e "  --> FAIL (make triple-sure your program conforms to the required format)" >> $out
   tsts0=$(( 0 ))
 else
-  echo "  --> success" >> $out
+  echo -e "  --> success" >> $out
   tsts0=$(( 0 )) 
 fi
 
@@ -53,10 +53,10 @@
 
   if (scala_compile docdiff.scala)
   then
-    echo "  --> success" >> $out
+    echo -e "  --> success" >> $out
     tsts=$(( 0 ))
   else
-    echo "  --> scala did not run docdiff.scala" >> $out
+    echo -e "  --> SCALA DID NOT RUN docdiff.scala" >> $out
     tsts=$(( 1 )) 
   fi
 else
@@ -67,15 +67,15 @@
 
 if [ $tsts -eq 0 ]
 then
-  echo "docdiff.scala tests:" >> $out
-  echo "  clean(\"ab a abc\") == List(\"ab\", \"a\", \"abc\")" >> $out
-  echo "  clean(\"ab*a abc1\") == List(\"ab\", \"a\", \"abc1\")" >> $out
+  echo -e "docdiff.scala tests:" >> $out
+  echo -e "  clean(\"ab a abc\") == List(\"ab\", \"a\", \"abc\")" >> $out
+  echo -e "  clean(\"ab*a abc1\") == List(\"ab\", \"a\", \"abc1\")" >> $out
 
   if (scala_assert "docdiff.scala" "docdiff_test1.scala")
   then
-    echo "  --> success" >> $out
+    echo -e "  --> success\n" >> $out
   else
-    echo "  --> one of the tests failed" >> $out
+    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
   fi
 fi
 
@@ -83,17 +83,17 @@
 
 if [ $tsts -eq 0 ]
 then
-  echo "  occurrences(List(\"a\", \"b\", \"b\", \"c\", \"d\")) == " >> $out
-  echo "      Map(\"a\" -> 1, \"b\" -> 2, \"c\" -> 1, \"d\" -> 1)" >> $out
-  echo "  " >> $out
-  echo "  occurrences(List(\"d\", \"b\", \"d\", \"b\", \"d\")) == " >> $out
-  echo "      Map(\"d\" -> 3, \"b\" -> 2)" >> $out
+  echo -e "  occurrences(List(\"a\", \"b\", \"b\", \"c\", \"d\")) == " >> $out
+  echo -e "      Map(\"a\" -> 1, \"b\" -> 2, \"c\" -> 1, \"d\" -> 1)" >> $out
+  echo -e "  " >> $out
+  echo -e "  occurrences(List(\"d\", \"b\", \"d\", \"b\", \"d\")) == " >> $out
+  echo -e "      Map(\"d\" -> 3, \"b\" -> 2)" >> $out
 
   if (scala_assert "docdiff.scala" "docdiff_test2.scala") 
   then
-    echo "  --> success" >> $out
+    echo -e "  --> success\n" >> $out
   else
-    echo "  --> one of the tests failed" >> $out
+    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
   fi
 fi
 
@@ -101,18 +101,18 @@
 
 if [ $tsts -eq 0 ]
 then
-  echo "  val l1 = List(\"a\", \"b\", \"b\", \"c\", \"d\")" >> $out
-  echo "  val l2 = List(\"d\", \"b\", \"d\", \"b\", \"d\")" >> $out
-  echo "  " >> $out
-  echo "  prod(l1, l2) == 7 " >> $out
-  echo "  prod(l1, l1) == 7 " >> $out
-  echo "  prod(l2, l2) == 13 " >> $out
+  echo -e "  val l1 = List(\"a\", \"b\", \"b\", \"c\", \"d\")" >> $out
+  echo -e "  val l2 = List(\"d\", \"b\", \"d\", \"b\", \"d\")" >> $out
+  echo -e "  " >> $out
+  echo -e "  prod(l1, l2) == 7 " >> $out
+  echo -e "  prod(l1, l1) == 7 " >> $out
+  echo -e "  prod(l2, l2) == 13 " >> $out
 
   if (scala_assert "docdiff.scala" "docdiff_test3.scala") 
   then
-    echo "  --> success" >> $out
+    echo -e "  --> success\n" >> $out
   else
-    echo "  --> one of the tests failed" >> $out
+    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
   fi
 fi
 
@@ -120,17 +120,17 @@
 
 if [ $tsts -eq 0 ]
 then
-  echo "  val l1 = List(\"a\", \"b\", \"b\", \"c\", \"d\")" >> $out
-  echo "  val l2 = List(\"d\", \"b\", \"d\", \"b\", \"d\")" >> $out
-  echo "  " >> $out
-  echo "  overlap(l1, l2) == 0.5384615384615384 " >> $out
-  echo "  overlap(l1, l1) == 1.0 " >> $out
-  echo "  overlap(l2, l2) == 1.0 " >> $out
+  echo -e "  val l1 = List(\"a\", \"b\", \"b\", \"c\", \"d\")" >> $out
+  echo -e "  val l2 = List(\"d\", \"b\", \"d\", \"b\", \"d\")" >> $out
+  echo -e "  " >> $out
+  echo -e "  overlap(l1, l2) == 0.5384615384615384 " >> $out
+  echo -e "  overlap(l1, l1) == 1.0 " >> $out
+  echo -e "  overlap(l2, l2) == 1.0 " >> $out
 
   if (scala_assert "docdiff.scala" "docdiff_test4.scala") 
   then
-    echo "  --> success" >> $out
+    echo -e "  --> success\n" >> $out
   else
-    echo "  --> one of the tests failed" >> $out
+    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
   fi
 fi