Modify cs205_final_exam.sh and add screenshot

cs205_final_exam.sh

@@ -9,3 +9,25 @@
 # 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 pokemon.dat. However, you can assume that any file passed to this script will be formatted exactly the way pokemon.dat is formatted.
+#!/bin/bash
+
+# This script reads a file formatted like pokemon.dat and provides a summary report.
+
+# Store the filename in a variable
+filename=$1
+
+# Calculate the total number of Pokemon
+total_pokemon=$(awk 'END {print NR}' $filename)
+
+# Calculate the average HP
+avg_hp=$(awk '{hp_total+=$2} END {print hp_total/NR}' $filename)
+
+# Calculate the average Attack
+avg_attack=$(awk '{attack_total+=$3} END {print attack_total/NR}' $filename)
+
+# Print the summary report
+echo "# ======= SUMMARY OF $filename ======"
+echo "#    Total Pokemon: $total_pokemon"
+echo "#    Avg. HP: $avg_hp"
+echo "#    Avg. Attack: $avg_attack"
+echo "# ======= END SUMMARY ======="

screenshots/output.txt

@@ -0,0 +1,8 @@
+Script started on 2023-03-31 10:26:14-07:00 [TERM="xterm-256color" TTY="/dev/pts/1" COLUMNS="66" LINES="24"]
+# ======= SUMMARY OF pokemon.dat ======
+#    Total Pokemon: 801
+#    Avg. HP: 0
+#    Avg. Attack: 0
+# ======= END SUMMARY =======
+
+Script done on 2023-03-31 10:26:14-07:00 [COMMAND_EXIT_CODE="0"]