Betygsättarskriptet klart

Labb5/form.txt

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+Points		Question
+------		--------
+1		Question 1
+2		Question 2
+1		Question 3
+1		Question 4
+0		Question 5
+1		Question 6
+0		Question 7
+1		Question 8
+1		Question 9
+2		Question 10
+1		Question 11
+1		Question 12
+5		Question 13
+1		Question 14
+1		Question 15
+2		Question 16
+1		Question 17
+1		Question 18
+1		Question 19
+4		Question 21
+1		Question 22
+1		Question 23
+1		Question 24
+0		Question 25
+1		Question 26
+1		Question 27
+1		Question 28
+4		Question 29
+4		Question 30
+1		Question 31
+4		Question 32
+1		Question 34
+1		Question 35

Labb5/ovning4.sh

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+#!/bin/bash
+
+# Jack-Benny Persson
+# LX13
+# Övning 4, labb 5
+# Grade-calculation script
+
+# Set some variables
+G=30
+VG=48
+Form=form.txt
+
+# Check if the file exist and that we can read it
+if [ ! -r $Form ]; then
+	echo "Can't read $Form" > /dev/stderr
+	exit 2
+fi
+
+# Get all the points
+Points=( `tail -n +3 $Form | awk '{print $1}'` )
+
+# Check that we only have int's in our array and print help
+for l in ${Points[*]}; do
+	if ! [ "$l" -eq "$l" &> /dev/null ]; then
+		cat <<- EOF
+		Something is wrong with the formatting of $Form
+		Correct formatting should look like this:
+
+		Points		Question
+		------		--------
+		1		Question 1
+		1		Question 2
+		4		Question 4
+
+		EOF
+		exit 2
+	fi
+done
+
+# Calculate the points from the form
+Total=0
+for i in ${Points[*]}; do
+	Total=$((Total+i))
+done
+
+# Print the total points and grade
+echo "Your total points on the test was: $Total"
+
+if [ $Total -lt $G ]; then
+	echo "Your grade is: IG"
+elif [ $Total -ge $VG ]; then
+	echo "Your grade is: VG"
+else
+	echo "Your grade is G"
+fi
+
+exit 0