diff -r 40657f9a4e4a -r 663c2a9108d1 pre_testing1/collatz_test.sh
--- a/pre_testing1/collatz_test.sh	Sat Oct 31 16:47:46 2020 +0000
+++ b/pre_testing1/collatz_test.sh	Sun Nov 01 01:21:31 2020 +0000
@@ -15,7 +15,7 @@
 # compilation tests
 
 function scala_compile {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala "$1" 2>> $out 1>> $out) 
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -Xprint:parser "$1" 2> c$out 1> c$out)
 }
 
 # functional tests
@@ -27,41 +27,41 @@
 # purity test
 
 function scala_vars {
-   (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|collection.mutable|util.control|new Array' "$1" 2> /dev/null 1> /dev/null)
+   (egrep '\bvar\b|\breturn\b|\.par\.|\.par |ListBuffer|mutable|util.control|new Array' c$out 2> /dev/null 1> /dev/null)
 }
 
 
+### compilation test
+
+echo -e "collatz.scala runs?" >> $out
+
+if (scala_compile collatz.scala)
+then
+    echo -e "  --> success" >> $out
+    tsts=$(( 0 ))
+else
+    echo -e "  --> SCALA DID NOT RUN collatz.scala\n" >> $out
+    tsts=$(( 1 )) 
+fi
+
+
+
 # var, .par return, ListBuffer test
 #
-echo -e "collatz.scala does not contain vars, returns etc?" >> $out
-
-if (scala_vars collatz.scala)
-then
-  echo -e "  --> FAIL (make triple-sure your program conforms to the required format)\n" >> $out
-  tsts0=$(( 0 ))
-else
-  echo -e "  --> success" >> $out
-  tsts0=$(( 0 )) 
-fi
-
-### compilation test
-
+echo -e "collatz.scala does not contain VARS, RETURNS etc?" >> $out
 
-if  [ $tsts0 -eq 0 ]
+if  [ $tsts -eq 0 ]
 then 
-  echo -e "collatz.scala runs?" >> $out
+   if (scala_vars collatz.scala)
+   then
+      echo -e "  --> FAIL (make triple-sure your program conforms to the required format)\n" >> $out
+      tsts=$(( 1 ))
+   else
+      echo -e "  --> success" >> $out
+      tsts=$(( 0 )) 
+   fi
+fi    
 
-  if (scala_compile collatz.scala)
-  then
-    echo -e "  --> success" >> $out
-    tsts=$(( 0 ))
-  else
-    echo -e "  --> SCALA DID NOT RUN COLLATZ.SCALA\n" >> $out
-    tsts=$(( 1 )) 
-  fi
-else
-  tsts=$(( 1 ))     
-fi
 
 ### collatz tests