diff -r d8dbf91c149b -r 4edc1a308652 main_testing1/drumb_test.sh
--- a/main_testing1/drumb_test.sh	Mon Jan 03 00:59:32 2022 +0000
+++ b/main_testing1/drumb_test.sh	Sun Jan 09 01:06:30 2022 +0000
@@ -1,7 +1,9 @@
 #!/bin/bash
 set -euo pipefail
 
-out=${1:-output}
+scalafile=${1:-drumb.scala}
+out=${2:-output}
+
 
 echo -e "" > $out
 
@@ -33,7 +35,7 @@
 # compilation test
 echo -e "drumb.scala runs?" >> $out
 
-if (scala_compile drumb.scala)
+if (scala_compile $scalafile)
 then
     echo -e "  --> passed" >> $out
     tsts=$(( 0 ))
@@ -51,7 +53,7 @@
 then
     echo -e "drumb.scala does not contain vars, returns etc?" >> $out
 
-    if (scala_vars drumb.scala)
+    if (scala_vars $scalafile)
     then
 	echo -e "  --> FAIL (make triple-sure your program conforms to the required format)" >> $out
 	tsts=$(( 1 ))
@@ -69,7 +71,7 @@
   echo -e "  get_january_data(\"GOOG\", 1980) == List()" >> $out
   echo -e "  get_january_data(\"GOOG\", 2010).head == \"2010-01-04,312.204773\"" >> $out
 
-  if (scala_assert "drumb.scala" "drumb_test1.scala")
+  if (scala_assert $scalafile "drumb_test1.scala")
   then
     echo -e "  --> success" >> $out
   else
@@ -84,7 +86,7 @@
   echo -e "  get_first_price(\"GOOG\", 1980) == None" >> $out
   echo -e "  get_first_price(\"GOOG\", 2010) == Some(312.204773)" >> $out  
 
-  if (scala_assert "drumb.scala" "drumb_test2.scala")
+  if (scala_assert $scalafile "drumb_test2.scala")
   then
     echo -e "  --> success" >> $out
   else
@@ -101,7 +103,7 @@
   echo "            List(Some(301.0466),   Some(41.244694))," >> $out
   echo "            List(Some(331.462585), Some(51.464207)))" >> $out
 
-  if (scala_assert "drumb.scala" "drumb_test3.scala")
+  if (scala_assert $scalafile "drumb_test3.scala")
   then
     echo -e "  --> success" >> $out
   else
@@ -118,7 +120,7 @@
   echo -e "  get_delta(None, Some(100.0)) == None" >> $out
   echo -e "  get_delta(Some(50.0), Some(100.0)) == Some(1.0)" >> $out
 
-  if (scala_assert "drumb.scala" "drumb_test4.scala")
+  if (scala_assert $scalafile "drumb_test4.scala")
   then
       echo -e "  --> success" >> $out
   else
@@ -139,7 +141,7 @@
   echo -e "    List(List(None), List(None),                          " >> $out
   echo -e "         List(Some(0.9277165354330709)), List(Some(2.119679764725104))) " >> $out
   
-  if (scala_assert "drumb.scala" "drumb_test5.scala") 
+  if (scala_assert $scalafile "drumb_test5.scala") 
   then
      echo -e "  --> success" >> $out
   else
@@ -156,7 +158,7 @@
   echo -e "  yearly_yield(ds, 100, 0) == 125" >> $out
   echo -e "  yearly_yield(ds, 100, 1) == 117" >> $out
   
-  if (scala_assert "drumb.scala" "drumb_test6.scala") 
+  if (scala_assert $scalafile "drumb_test6.scala") 
   then
       echo -e "  --> success" >> $out
   else
@@ -181,7 +183,7 @@
   echo -e "   investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 1990 to 2017, 100) == 11504"   >> $out
   
   
-  if (scala_assert "drumb.scala" "drumb_test7.scala") 
+  if (scala_assert $scalafile "drumb_test7.scala") 
   then
     echo -e "  --> success" >> $out
   else