diff -r 40657f9a4e4a -r 663c2a9108d1 testing4/postfix_test.sh
--- a/testing4/postfix_test.sh	Sat Oct 31 16:47:46 2020 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,164 +0,0 @@
-#!/bin/bash
-set -euo pipefail
-
-
-out=${1:-output}
-
-echo -e "" > $out
-
-echo -e "Below is the feedback for your submission of CW 9, Preliminary Part." >> $out
-echo -e "" >> $out
-
-
-# compilation tests
-
-function scala_compile {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala "$1" 2>> $out 1>> $out)   
-}
-
-# functional tests
-
-function scala_assert {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" 2> /dev/null 1> /dev/null) 
-}
-
-# purity test
-
-function scala_vars {
-   (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable|new Array' "$1" 2> /dev/null 1> /dev/null)
-}
-
-
-# var, return, ListBuffer test
-#
-echo -e "postfix.scala does not contain vars, returns etc?" >> $out
-
-if (scala_vars postfix.scala)
-then
-  echo -e "   --> FAIL (make triple-sure your program conforms to the required format)" >> $out 
-  tsts0=$(( 0 ))
-else
-  echo -e "  --> success" >> $out
-  tsts0=$(( 0 )) 
-fi
-
-
-# compilation test
-
-if  [ $tsts0 -eq 0 ]
-then    
-  echo -e "postfix.scala runs?" >> $out
-
-  if (scala_compile postfix.scala)
-  then
-    echo -e "  --> yes" >> $out
-    tsts1=$(( 0 ))
-  else
-    echo -e "  --> SCALA DID NOT RUN POSTFIX.SCALA\n" >> $out
-    tsts1=$(( 1 )) 
-  fi
-else
-  tsts1=$(( 1 ))     
-fi
-
-### postfix tests
-
-if [ $tsts1 -eq 0 ]
-then
-  echo -e " syard(split(\"3 + 4 * ( 2 - 1 )\")) == List(\"3\", \"4\", \"2\", \"1\", \"-\", \"\*\", \"+\")" >> $out
-  echo -e " syard(split(\"( ( ( 3 ) ) + ( ( 4 + ( 5 ) ) ) )\")) == List(\"3\", \"4\", \"5\", \"+\", \"+\")" >> $out
-  echo -e " syard(split(\"5 + 7 / 2\")) == List(\"5\", \"7\", \"2\", \"/\", \"+\")" >> $out
-  echo -e " syard(split(\"5 * 7 / 2\")) == List(\"5\", \"7\", \"\*\", \"2\", \"/\")" >> $out
-  
-  if (scala_assert "postfix.scala" "postfix_test7.scala")
-  then
-    echo -e "  --> success" >> $out
-  else
-    echo -e "  --> \n ONE TEST FAILED\n" >> $out
-  fi
-fi
-
-
-
-if [ $tsts1 -eq 0 ]
-then
-  echo -e " compute(syard(split(\"3 + 4 * ( 2 - 1 )\"))) == 7" >> $out
-  echo -e " compute(syard(split(\"10 + 12 * 33\"))) == 406" >> $out
-  echo -e " compute(syard(split(\"( 5 + 7 ) * 2\"))) == 24" >> $out
-  echo -e " compute(syard(split(\"5 + 7 / 2\"))) == 8" >> $out
-  echo -e " compute(syard(split(\"5 * 7 / 2\"))) == 17" >> $out
-  echo -e " compute(syard(split(\"9 + 24 / ( 7 - 3 )\"))) == 15" >> $out
-  
-  if (scala_assert "postfix.scala" "postfix_test8.scala")
-  then
-    echo -e "  --> success" >> $out
-  else
-    echo -e "  --> \n ONE TEST FAILED\n" >> $out
-  fi
-fi
-
-echo -e "" >> $out
-
-### postfix2 tests
-
-# var, return, ListBuffer test
-#
-echo -e "\n\npostfix2.scala does not contain vars, returns etc?" >> $out
-
-if (scala_vars postfix2.scala)
-then
-  echo -e "   --> FAIL (make triple-sure your program conforms to the required format)" >> $out 
-  tsts0=$(( 0 ))
-else
-  echo -e "  --> success" >> $out
-  tsts0=$(( 0 )) 
-fi
-
-
-# compilation test
-
-if  [ $tsts0 -eq 0 ]
-then    
-  echo -e "postfix2.scala runs?" >> $out
-
-  if (scala_compile postfix2.scala)
-  then
-    echo -e "  --> yes" >> $out
-    tsts1=$(( 0 ))
-  else
-    echo -e "  --> SCALA DID NOT RUN POSTFIX2.SCALA\n" >> $out
-    tsts1=$(( 1 )) 
-  fi
-else
-  tsts1=$(( 1 ))     
-fi
-
-
-if [ $tsts1 -eq 0 ]
-then
-  echo -e " syard(split(\"3 + 4 * ( 2 - 1 )\")) == List(\"3\", \"4\", \"2\", \"1\", \"-\", \"\*\", \"+\")" >> $out
-  echo -e " syard(split(\"( ( ( 3 ) ) + ( ( 4 + ( 5 ) ) ) )\")) == List(\"3\", \"4\", \"5\", \"+\", \"+\")" >> $out
-  echo -e " syard(split(\"5 + 7 / 2\")) == List(\"5\", \"7\", \"2\", \"/\", \"+\")" >> $out
-  echo -e " syard(split(\"5 * 7 / 2\")) == List(\"5\", \"7\", \"\*\", \"2\", \"/\")" >> $out
-  echo -e " syard(split(\"3 + 4 * 8 / ( 5 - 1 ) ^ 2 ^ 3\")) == " >> $out
-  echo -e "         List(\"3\", \"4\", \"8\", \"\*\", \"5\", \"1\", \"-\", \"2\", \"3\", \"^\", \"^\", \"/\", \"+\")" >> $out
-  echo -e " " >> $out 
-  echo -e " compute(syard(split(\"3 + 4 * ( 2 - 1 )\"))) == 7" >> $out
-  echo -e " compute(syard(split(\"10 + 12 * 33\"))) == 406" >> $out
-  echo -e " compute(syard(split(\"( 5 + 7 ) * 2\"))) == 24" >> $out
-  echo -e " compute(syard(split(\"5 + 7 / 2\"))) == 8" >> $out
-  echo -e " compute(syard(split(\"5 * 7 / 2\"))) == 17" >> $out
-  echo -e " compute(syard(split(\"9 + 24 / ( 7 - 3 )\"))) == 15" >> $out
-  echo -e " compute(syard(split(\"4 ^ 3 ^ 2\"))) == 262144" >> $out
-  echo -e " compute(syard(split(\"4 ^ ( 3 ^ 2 )\"))) == 262144" >> $out
-  echo -e " compute(syard(split(\"( 4 ^ 3 ) ^ 2\"))) == 4096" >> $out
-  echo -e " compute(syard(split(\"( 3 + 1 ) ^ 2 ^ 3\"))) == 65536" >> $out
-  
-  if (scala_assert "postfix2.scala" "postfix_test9.scala")
-  then
-    echo -e "  --> success" >> $out
-  else
-    echo -e "  --> \n ONE TEST FAILED\n" >> $out
-  fi
-fi
-