Fibonacci in Bash

Welcome to the Fibonacci in Bash page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

#!/bin/bash

count=$1

[[ $count =~ ^[0-9]+$ ]] || { echo "Usage: please input the count of fibonacci numbers to output"; exit 1; }

n=1
n_minus_1=1
[[ $count < 1 ]] && exit 0

echo "1: 1"
for i in $(seq 2 $count); do
    echo "$i: $n"
    tmp=$n
    n=$[$n+$n_minus_1]
    n_minus_1=$tmp
done

Fibonacci in Bash was written by:

• Parker Johansen

If you see anything you'd like to change or update, please consider contributing.

How to Implement the Solution

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How to Run the Solution

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