Shell Programming and Scripting

clear
echo -e "1.Morning\n2.Afternoon\n3.Evening\n4.Night"
echo -n "Please select from above:"
read n
if [[ $n -eq 1 ]]
then
echo "Good Morning"
elif [[ $n -eq 2 ]]
then
echo "Good Afternoon"
elif [[ $n -eq 3 ]]
then
echo "Good Evening"
elif [[ $n -eq 4 ]]
then
echo "Good Night"
fi

clear
echo -e "1.Morning\n2.Afternoon\n3.Evening\n4.Night"
echo -n "Please select from above:"
read n
case $n in
1)echo "Good Morning";;
2)echo "Good Afternoon";;
3)echo "Good Evening";;
4)echo "Good Night";;
esac

# sh test.sh
Please Select your choice[1/5]? 2
Choice = 2
Case code is completed
Please Select your choice[1/5]? 3
Choice = 3
# sh test.sh
Please Select your choice[1/5]? 2
Choice = 2
Case code is completed
Please Select your choice[1/5]? 1
Choice = 1

# cat test.sh
#!/bin/bash
read -p "Please Select your choice[1/5]? " c
case $c in
 1) echo "Choice = $c" ;;
 2) echo "Choice = $c" ;;
 3) echo "Choice = $c" ;;
 4) echo "Choice = $c" ;;
 5) echo "Choice = $c" ;;
esac
echo "Case code is completed"
 
read -p "Please Select your choice[1/5]? " c
if [ $c == 1 ] ; then echo "Choice = $c"
elif [ $c == 2 ] ; then echo "Choice = $c"
elif [ $c == 3 ] ; then echo "Choice = $c"
elif [ $c == 4 ] ; then echo "Choice = $c"
elif [ $c == 5 ] ; then echo "Choice = $c"
fi
echo "If code is completed"