Advanced Bash Scripting

# 1.1. Create a new Bash script
echo '#!/bin/bash' > conditional_script.sh
chmod u+x conditional_script.sh

# 1.2. Query the user and store their response

!/bin/bash
echo 'Are you enjoying this course so far?'
echo -n "Enter \"y\" for yes, \"n\" for no."
read response

# 1.3. Use a conditional block to select a response for the user

#!/bin/bash

echo 'Are you enjoying this course so far?'
echo -n "Enter \"y\" for yes, \"n\" for no"
read response
if [ "$response" == "y" ]
then
    echo "I'm pleased to hear you are enjoying the course!"
    echo "Your feedback regarding what you have been enjoying would be most welcome!"
elif [ "$response" = "n" ]
then
   echo "I'm sorry to hear you are not enjoying the course."
   echo "Your feedback regarding what we can do to improve the learning experience"
   echo "for this course would be greatly appreciated!"
else
   echo "Your response must be either 'y' or 'n'."
   echo "Please re-run the script to try again."
fi

# 2.1. Create a Bash script

#!/bin/bash

echo -n "Enter an integer: "
read n1
echo -n "Enter another integer: "
read n2

sum=$(($n1+$n2))
product=$(($n1*$n2))

echo "The sum of $n1 and $n2 is $sum"
echo "The product of $n1 and $n2 is $product."

# 2.2. Add logic to your script

#!/bin/bash

echo -n "Enter an integer: "
read n1
echo -n "Enter another integer: "
read n2

sum=$(($n1+$n2))
product=$(($n1*$n2))

echo "The sum of $n1 and $n2 is $sum"
echo "The product of $n1 and $n2 is $product."

if [ $sum -lt $product ]
then
   echo "The sum is less than the product."
elif [[ $sum == $product ]]
then
   echo "The sum is equal to the product."
elif [ $sum -gt $product ]
then
   echo "The sum is greater than the product."
fi