AMMI.sh

## Exercise 1

## comand to display the partial content of the file
ls **/population.csv

## display the first line of the file

head -n 1 **/population.csv

## display the first 10 lineof the file

head -n 10 **/population.csv

## write a command to get the Population of Comoros

cat **/population.csv | grep 'Comoros'

## Which countey as the population size of 2145194


cat **/population.csv | grep '2145194'

####################################
#        Excercise 2               #
###################################


# About me
# stephen Oni; soni@aimsammi.org
# 24/1/2021

# Exercise 1
first_name="Stephen" # This is my first name
sur_name="Oni" # This is my sur name
last_name="Ayodele" # This is my last name

# Exercise 3
full_name="$sur_name $first_name  $last_name"

echo "My full name is $full_name"

# Exercise 5

classmates=('Gbetonji', 'Lekan', 'Awa', 'Simon', 'Lawrence')

echo ${classmates[0]} # display first class mate
echo ${classmates[@]} # display all five student




# Exercise 6

numerator=$((4**15 + 3**6 - 15496))
denominator=$((9 * 12**3 - 56))
result=$((numerator / denominator ))
echo $result

# Exercise 7

if [ $((result % 4)) -eq 0 ]
then
    echo "$result is a multiple of 4"
elif [ $((result % 5)) -eq 0 ]
then
    echo "$result is a multiple of 5"
elif [ $((result % 3)) -eq 0 ]
then
    echo "$result is a multiple of 3"
else
    echo "$result is not a multiple of 4 or 3 or 5"
    
fi

# Exercise 9

function factorial {
    factorial=1
    
    if [ $1 -lt 0 ]
    then
        echo "factorial does not exist for negative number"
    elif [ $1 -eq 0 ]
    then
        echo "factorial of 0 equal 1"
    else
        for i in `seq 1 $1`
        do
          factorial=$(( factorial * i ))
          
        done
        echo "the factorial of $1 is $factorial"
    fi
       
}

factorial 7