Codes

Bash

Bash

Examples

Fibonacci Numbers

# Fibonacchi Numbers
fib () {
    if [ $1 -lt 2 ]; then
        echo $1
    else
        echo $(( $(fib $(( $1 - 2 )) )+$(fib $(( $1 - 1 )) ) ))
    fi
}

echo $(fib $1)

# example
#    run:
#        bash fib.sh 20