How to install spark
brew install spark spark use case
Generate sparkline visualizations from numerical data in the terminal
When to use spark
- Quickly visualizing trends in command output, such as commit counts or log frequencies
- Embedding compact charts in shell scripts or monitoring dashboards
- Displaying distribution of numeric values in a minimal space
When not to use spark
- When precise values or detailed charts are needed
- When handling very large datasets that could clutter the terminal
- When interactive or zoomable charts are required
spark features
- · Accepts space or comma-separated numbers from stdin or arguments
- · Outputs a single line of unicode block characters (sparkline)
- · Lightweight shell script with no external dependencies
- · Designed for piping with other Unix tools
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