Program 6 B.Sc Computer Science with Data analytics Linux and Shell Programming - Lab Bharathiar University - Write a Shell script to determine whether a given number is a prime number or not.

 

B.Sc Computer Science  with Data analytics

Linux and Shell Programming - Lab  

Bharathiar University 

Program 6- Write a Shell script to determine whether a given number is a prime number or not.

Source Code

# Function to check if a number is prime

is_prime() {

    if [ $1 -le 1 ]; then

        echo "$1 is not a prime number."

        exit 0

    fi

   

    d=2

    while [ $d -lt $1 ]; do

        if [ $(($1 % $d)) -eq 0 ]; then

            echo "$1 is not a prime number."

            exit 0

        fi

        d=$((d + 1))

    done

    echo "$1 is a prime number."

}

# Main program starts here

# Prompt the user to enter the number

    echo "Enter the number: "

    read number

   

# Check if the number is prime

is_prime $number

Sample output: