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q4.sh

+#!/bin/bash
+
+file_name=$(<$*)
+
+
+file_name=($(for each in ${file_name[@]}; do echo $each; done | sort))
+
+count=0
+sum=0
+for values in "${file_name[@]}";
+do
+sum=$((sum+values))
+count=$((count+1))
+done
+
+avg=$((sum/count))
+echo $avg
+remainder=$(($count%2))
+mid=$((count/2))
+
+if [ $remainder -eq 0 ]
+then
+  echo ${file_name[$mid]}
+else
+  median_sum=$(((${file_name[$mid]} + ${file_name[$((mid+1))]})/2))
+  echo $median
+fi