Adding final exam

cs205_final_exam.sh

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+#TODO: Modify this file to create a shell script that is able to use awk to go through a file formatted like pokemon.dat and provides a printed report in the following format (where your script corrrectly calculates the values that go into the [VALUE] placeholders):
+#======= SUMMARY OF POKEMON.DAT ======
+#       Total Pokemon: [VALUE]
+#       Avg. HP: [VALUE]
+#       Ag. Attack: [VALUE]
+#======= END SUMMAY ========
+
+#Check for command line arguement
+if [$# -ne 1 ]; then
+	echo "Usage: $0 <data_file>"
+	exit 1
+fi
+
+#Store file name
+data_file="$1"
+
+#Check if file exists
+if [ ! -f "$data_file" ]; then
+	echo "Error: File '$data_file' not found."
+	exit 1
+fi
+
+#Start calc
+awk 'BEGIN {
+	#Create variables
+	total_pokemon = 0
+	total_hp = 0
+	total_attack = 0
+}
+
+NR > 1 {
+	total_pokemon++
+	total_hp += $5
+	total_attack += $6
+}
+
+END {
+	avg_hp = total_hp/total_pokemon
+	avg_attack = total_attack/total_pokemon
+
+	printf("=========== SUMMARY OF %s ==========\n", FILENAME)
+	printf("     Total Pokemon: %d\n", total_pokemon)
+	printf("     Avg. HP: %f\n", avg_hp)
+	printf("     Avg. Attack %f\n", avg_attack)
+	printf("============= END SUMMARY ==========\n")
+}' "$data_file"