A Fish shell plugin for generating sparklines in the terminal with improved performance and additional flags.
spark.fish is a Fish shell plugin that generates sparklines—minimalist, inline data visualizations—directly in the terminal. It transforms numeric sequences into visual representations using Unicode characters, helping developers quickly grasp data trends without leaving the command line. The tool improves upon the original spark.sh with better performance and additional customization flags.
Fish shell users, system administrators, and developers who work extensively in the terminal and need quick visual insights into numeric data, such as Git statistics, process metrics, or custom sequences.
Developers choose spark.fish for its seamless integration with Fish shell, significantly faster performance compared to spark.sh, and added flexibility with min/max range controls, making it ideal for interactive terminal workflows.
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Benchmarks in the README show spark.fish processes 2000 data points in under 30 milliseconds, over 100 times faster than the original spark.sh, making it ideal for large datasets.
Installs directly via Fisher, Fish's package manager, and works natively with Fish shell syntax and pipelines, enhancing command-line workflow efficiency.
Includes --min and --max flags to normalize data scaling, as demonstrated in quickstart examples, allowing users to adjust sparkline visualization for better clarity.
Works with various data sources like sequences, Git stats, and process metrics, enabling quick visual insights for terminal-based analytics, as shown in the 'Wicked Cool Usage' section.
Exclusively designed for Fish shell, so users of other shells like Bash or Zsh cannot use it without switching or finding alternatives, limiting its audience.
The README provides basic examples but lacks in-depth tutorials or error handling guides, which might hinder complex implementations or debugging.
For data input, it relies on other shell commands (e.g., seq, git, ps), adding dependencies and potential setup complexity for non-standard or minimal environments.
Does not support color customization or alternative character sets, unlike some visualization tools, limiting visual appeal and adaptability in diverse terminal setups.