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Elvish is a friendly interactive shell and an expressive programming language. It runs on Linux, BSDs, macOS and Windows.

Demos

Enable JavaScript to see demos as slides.

Powerful Pipelines

Text pipelines are intuitive and powerful. However, if your data have inherently complex structures, processing them with the pipeline often requires a lot of ad-hoc, hard-to-maintain text processing code.

Pipelines in Elvish can carry structured data, not just text. You can stream lists, maps and even functions through the pipeline.

$ttyshot pipelines

Intuitive Control Structures

If you know programming, you probably already know how if looks in C. So why learn another syntax?

Elvish comes with a standard set of control structures: conditional control with if, loops with for and while, and exception handling with try. All of them have a familiar C-like syntax.

$ttyshot control-structures

Directory History

Do you type far too many cd commands? Do you struggle to remember which deeply/nested/directory your source codes, logs and configuration files are?

Backed by a real database, Elvish remembers all the directories you have been to, all the time. Just press Ctrl-L and search, as you do in a browser.

$ttyshot location-mode

Command History

Want to find the magical ffmpeg command that you used to transcode a video file two months ago, but it is burried under a million other commands?

No more cycling through history one command at a time. Press Ctrl-R and start searching your entire command history.

$ttyshot histlist-mode

Built-in File Manager

Want the convenience of a file manager, but can't give up the power of a shell?

You no longer have to make a choice. Press Ctrl-N to start exploring directories and preview files, with the full power of a shell still under your fingertip.

$ttyshot navigation-mode

Run Elvish

Use this Site

Start your Elvish journey in this very website!

  • Learn the fundamentals and interesting topics

  • Peruse the definitive reference documents

  • Read the blog for news, tips, and developers' musings

  • Subscribe to the feed to keep updated

Join the Community

Join any of the following channels -- they are all all bridged together thanks to matterbridge!

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