---
title: "spark"
description: "Twenty-line shell script that prints sparklines in the terminal from any list of numbers piped to it."
canonical: "https://vibing.inc/library/spark-vg-0471"
category: "Data Visualization & Charts"
subcategory: "Exploratory & misc"
license: "MIT"
author: "Zach Holman (@holman)"
source: "https://github.com/holman/spark"
---

# spark
Twenty-line shell script that prints sparklines in the terminal from any list of numbers piped to it.
## Facts
- Source: https://github.com/holman/spark
- Category: Data Visualization & Charts / Exploratory & misc
- Author: Zach Holman (@holman)
- Licence: MIT
- Tags: sparkline, shell, terminal, unix
## Why it's a gem
Twenty lines of shell that make any pipeline observable
---
Listed in The Vibeary: https://vibing.inc/library/spark-vg-0471 · JSON: https://vibing.inc/api/public/library/gems/spark-vg-0471