questions 1 - 4 finished, working on 5

question1/questionOne.sh

+#!/bin/bash
+
+awk -F, '{ print "insert into my fruits (code,name,color) values  ( "$1",\""$2"\",\""$3"\")"  }' sample.txt 

question2/questionTwo.sh

+#!/bin/bash
+
+declare -a arrayOne
+declare -a arrayTwo
+
+arrayOne=($(awk -F: '{ print $1 }' /etc/passwd))
+arrayTwo=($(awk -F: '{ print $6 }' /etc/passwd))
+
+for i in "${arrayOne[@]}"
+do
+	echo $i
+done
+
+for val in "${arrayOne[@]}"
+do
+	if [ $val == $1 ]; then
+		echo "${arrayTwo[$val]}"
+		break
+	else
+		echo "User "\""$1"\"" not found"
+		break
+	fi
+done
+
+echo ${arrayOne[@]}
+echo ${arrayOne[2]} 

question3/questionThree.sh

+#!/bin/bash
+
+for FILE in ${@}
+do
+	if [[ -f $FILE ]]
+	then
+		echo ${FILE^^}
+	else
+		echo "File ${FILE} does not exist"
+	fi
+done

question4/questionFour.sh

+#!/bin/bash
+seq -f "Number is : %g" 1 2 50