diff --git a/cs205_final_exam.sh b/cs205_final_exam.sh
old mode 100644
new mode 100755
index 0befa75a..0828a370
--- a/cs205_final_exam.sh
+++ b/cs205_final_exam.sh
@@ -9,3 +9,29 @@
 # 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.
+
+# check for file passed as a parameter
+if [ $# -ne 1 ]; then 
+    echo "File: $0 <input_file>"
+    exit 1
+fi
+
+# assign input file 
+input_file=$1
+
+# calculate number of pokemon
+total_pokemon=$(wc -l < "$input_file")
+
+# calculate avg HP
+avg_hp=$(awk '{total += $7} END {print total/NR}' "$input_file")
+
+# calculate avg attack speed
+avg_attack=$(awk '{total += $8} END {print total/NR}' "$input_file")
+
+# print summary of data 
+echo "======= SUMMARY OF $input_file ======="
+echo "    Total Pokemon: $total_pokemon"
+echo "    Avg. HP: $avg_hp"
+echo "    Avg. Attack: $avg_attack"
+echo "======= END SUMMARY ======="
+
diff --git a/screenshots/Screenshot from 2023-11-03 16-17-15.png b/screenshots/Screenshot from 2023-11-03 16-17-15.png
new file mode 100644
index 00000000..4967d5d4
Binary files /dev/null and b/screenshots/Screenshot from 2023-11-03 16-17-15.png differ