sep358_Spring2024 Final

cs205_final_exam.sh

@@ -1,4 +1,4 @@
-# TODO: Modify this file to create a shell script that is able to use awk to go through a file formatted like best_pokemon.dat and provides a printed report in the following format (where your script correctly calculates the values that go into the [VALUE] placeholders):
+
 # ===== SUMMARY OF DATA FILE =====
 #    File name: [VALUE]
 #    Total Pokemon: [VALUE]
@@ -10,3 +10,28 @@
 # The spacing and header formatting should match the above formatting description exactly.
 # There should be a comment explaining the purpose of each line in your shell script. 
 # The data file will be passed in to the script as a positional parameter and will not necessarily be called best_pokemon.dat. However, you can assume that any file passed to this script will be formatted exactly the way best_pokemon.dat is formatted.
+
+if [ -z "$1" ]; then
+    echo "Usage: $0 datafile.dat"
+    exit 1
+fi
+
+# store the input file name in a variable
+data_file="$1"
+
+# Use awk to calculate the results
+read total_pokemon avg_hp avg_attack <<< $(awk 'NR > 1 && $1 != "#" {total++; sum_hp += $6; sum_attack += $7} 
+    END {print total, sum_hp/total, sum_attack/total}' "$data_file")
+
+# print the results
+echo "===== SUMMARY OF DATA FILE ====="
+echo
+echo "   File name: $data_file"
+echo
+echo "   Total Pokemon: $total_pokemon"
+echo
+printf "   Avg. HP: %.2f\n" "$avg_hp"
+echo
+printf "   Avg. Attack: %.2f\n" "$avg_attack"
+echo
+echo "===== END SUMMARY ====="