Shell Scripting - Basics, Variable, ifelse,loop

#!/bin/bash

#Input out put name and birth year: Learning outcome - basic input output and variable

echo "hello world"

echo "what is your name?"
read name
echo "hello, $name"

echo "enter your birth year: "
read n

#Even odd checking: Learning out come: Basic if, else structure

#Write a shell script to find whether a number is even or odd.
#Sample input: 4
#Sample output : even

if (( $n%2 == 0 ))
then
    echo "the number is even"
else
    echo "the number is odd"
fi


#Take an integer input. Show the pyramid with stars(*) in output

#printing the name 10 times using loop: Learning outcome - Basic loop syntax
for (( i=0; i<=10; i++))
do
    echo "my name is $name"
done




#printing pyramid: Learning outcome - Loops and nested loops


echo -n "enter pyramid size: "
read p

echo -n "enter pyramid character: "
read ch

for(( i=0; i<p; i++))
do
    for(( j=i; j<p; j++))
    do
        echo -n " "
    done

    for(( k=0; k<=i; k++))
    do
        echo -n "$ch"
    done

    for(( l=0; l<i; l++))
    do
        echo -n "$ch"
    done
    echo ""
done