CS699 inlab2 assignment

q1/q1.sh

+#!/bin/bash
+resa=$(( $1 + 1 ))
+resb=$(( 2 * $1 + 1 ))
+resc=$(( $1 * $resa * $resb ))
+result=$(( $resc / 6 ))
+echo "$result"

q2/q2.sh

+#!/bin/bash
+
+filepath="$1"
+cd "$filepath"
+ls -l | grep ^d | wc -l

q3/q3.sh

+#!/bin/bash
+
+cat q3_in.txt | grep '. *5.*' | sort > q3_out.txt

q4/q4.sh

+#!/bin/bash
+counter=0
+sum=0
+mean=0
+
+for number in `cat q4-in.txt`
+do
+	allNumbers[counter]=$number
+	sum=$(($sum + ${allNumbers[$counter]}))
+	let counter=counter+1
+done
+
+mean=`bc -l <<< $sum/$counter`
+
+sortedArray=($(echo ${allNumbers[*]} | tr " " "\n" | sort))
+
+if [ $((counter%2)) -eq 0 ] 
+then
+	num1=${sortedArray[$(($counter / 2 - 1))]}
+	num2=${sortedArray[$(($counter / 2))]}
+	sumOfBoth=$((num1+num2))
+	median=`bc -l <<< $sumOfBoth/2`
+else
+	median=$((${sortedArray[$(($counter / 2))]}))
+fi
+
+echo "$mean"
+echo "$median"

readme.txt

+Team Members:
+1. Aditya Pradhan (Roll number: 203059006, CSE LDAP ID: pradhanaditya)
+2. Ajinkya Jumbad (Roll number: 203050032, CSE LDAP ID: ajinx)
+3. Prashant Ravi (Roll number: 203050082, CSE LDAP ID: prashantravi)
+4. Rajneesh Katkam (Roll number: 203050086, CSE LDAP ID: rajneeshkatkam)
+
+Contributions:
+1. Aditya Pradhan wrote the script for Problem 4.
+2. Ajinkya Jumbad wrote the script for Problem 3.
+3. Prashant Ravi wrote the script for Problem 1.
+4. Rajneesh Katkam wrote the script for Problem 2.
+
+Uploaded by Aditya Pradhan on git cse, LDAP ID: pradhanaditya
+
+References:
+1. https://github.github.com/training-kit/downloads/github-git-cheat-sheet.pdf
+2. https://stackoverflow.com/questions/12722095/how-do-i-use-floating-point-division-in-bash
+3. https://www.baeldung.com/linux/use-command-line-arguments-in-bash-script
+4. https://ubuntu-maryland.org/presentations/reference_bash-cheat.pdf