Fixed bug where wc was taken from words instead than lines

q4/actual_output.txt

@@ -2,4 +2,4 @@
 18
 4
 3
-38
+38
\ No newline at end of file

q4/generated_output.txt

@@ -2,4 +2,4 @@
 15
 4
 29
-38
+38
\ No newline at end of file

q4/q4.sh

-#!/bin/sh
-# wc generated_output.txt |awk '{print $2}'
-
-
-mismatch=$(diff generated_output.txt actual_output.txt | grep "c" | wc -l)
-total=$(wc actual_output.txt |awk '{print $2}')
-score=$(echo $total-$mismatch | bc)
-echo "Secured $score marks out of $total"
+#!/bin/bash
+# wc generated_output.txt |awk '{print $2}'
+
+
+mismatch=$(diff generated_output.txt actual_output.txt | grep "c" | wc -l)
+total=$(wc -l < actual_output.txt)
+score=$((total-mismatch))
+echo "Secured $score marks out of $total"