First Project

q1/q1.sh

+read N
+sum=0
+temp=0
+for (( i=1 ; i<=$N ; i++)); do
+  temp=$((i*i))
+  sum=$((sum+temp))
+ done
+echo $sum

q2/q2.sh

+(find $1 -mindepth 1 -maxdepth 1 -type d) | wc -l

q3/q3.sh

+#!/usr/bin/env bash
+
+grep 5 q3_in.txt | sort > q3_out.txt
\ No newline at end of file

q4/q4.sh

+#!/usr/bin/env bash
+file=`sort -n q4_in.txt`
+i=0
+sum=0
+
+for var in $file; do
+	sum=$((sum+var))
+	i=$((i+1))
+done
+
+rem=$((i%2))
+n=0
+#echo "rem: $rem"
+if [ $rem -eq 0 ]
+then
+	#echo "even"
+	for var in $file; do
+		n=$((n+1))
+		if [ $n -eq $((i/2)) ]
+		then
+			median=$var
+		fi
+	done
+else
+	#echo "odd"
+	for var in $file; do
+		n=$((n+1))
+		if [ $n -eq $(((i/2)+1)) ]
+		then
+			median=$var
+		fi
+	done
+fi
+#echo "i: $i"
+#echo "sum: $sum"
+echo "mean: $((sum/i))"
+echo "median: $median"
\ No newline at end of file

q4/q4_in.txt

+10
+40
+70
+3
+2

readme.txt

+203050029 solve question q2
+203050113 solve question q1
+203050111 solve question q3
+203050035 solve question q4
+
+References-
+       https://devhints.io/bashhttps://linuxconfig.org/bash-scripting-tutorial-for-beginnershttps://ubuntu-maryland.org/presentations/reference_bash-cheat.pdf
+       https://devhints.io/bash
+       https://linuxconfig.org/bash-scripting-tutorial-for-beginners
+       https://ubuntu-maryland.org/presentations/reference_bash-cheat.pdf