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Command Line Cheat Sheets

by Elijah Manor

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📚 Main Topics

  • Introduction to TLDR
  • Installation and Setup
  • Using TLDR for Command Examples
  • Enhancing TLDR with FCF
  • Advanced Features and Customization

✨ Takeaways

  • TLDR ToolA community-driven tool that provides simplified and example-based man pages for various commands.
  • InstallationTLDR can be installed via Brew or other package managers. After installation, an initial cache update is required to download command examples.
  • Command UsageTyping TLDR <command> provides user-friendly examples. The command can be piped to less for easier navigation by using the --color=always flag.
  • Command ListingThe --list flag can be used to display all available commands supported by TLDR.

🧠 Lessons

  • Interactive ExperienceIntegrating TLDR with FCF allows users to search through over 2,000 commands interactively.
  • Community Help PagesUsers can pipe results to xargs TLDR to access community help pages for specific commands.
  • Preview FeatureAdding a preview window enhances usability by allowing users to see help content as they navigate through commands.
  • CustomizationUsers can create an alias in their bashrc or zshrc file (e.g., TLDRF) for quicker access to the TLDR functionality.

This episode emphasizes the ease of using TLDR for command-line help and how integrating it with FCF can significantly improve the user experience.

Transcript excerpt

0:00 TLDR provides example-based and community-driven man pages. In this episode, we're going to install the tool and integrate it with FCF for a more interactive experience. First, start by installing from Brew or your package manager of choice. Then typing TLDR will output the help usage for the package. To get practical help examples for a command, you provide that to TLDR. We'll try Brew. But this is the first time we've used TLDR and we need to download the commands into an offline cache.

0:30 So we could run TLDR {dash} {dash} update to populate the cache. Now we can run our previous command TLDR Brew and we'll see numerous user-friendly examples of commands and what they do. If you want to pipe the results to something like less, you'll need to provide the flag {dash} {dash} color equals always to keep the colorized output. And then you could page and search through the results using less. If you wanted to list all the commands that are supported, you could pass the {dash} {dash} list flag and wow, that's a lot. To make this a bit more

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