Learn ELVISH with Real Code Examples

Download Elvish from official website or GitHub

Install using system package manager (brew, apt, etc.)

Add Elvish to PATH and configure shell initialization

Test interactive REPL and command pipelines

Install optional modules or extensions

Install Elvish via package manager or binaries

Add Elvish to PATH

Configure .elvish/init.elv for initialization

Test REPL and scripts

Install optional modules

.elvish/ - configuration and init scripts

modules/ - custom modules

scripts/ - executable Elvish scripts

env/ - environment variable settings

docs/ - usage and documentation

elvish - launch shell REPL

use myModule - import module

fn name { } - define function

echo $var - print value

ls | where $x > 5 - structured pipeline example

UTF-8 support for scripts and data

Structured data can contain multiple languages

User-defined formatting for localized output

REPL supports multi-language input

Modules can be written for locale-specific tasks

Available on Unix/Linux systems

Lightweight and easy to install

Interactive REPL for learning and debugging

Community documentation and examples

Modules and scripts easy to share

Text-based REPL interface

Syntax highlighting in compatible editors

Interactive prompts for user input

Optional colors and formatting

Focus on readability and structured output

Variables scoped per namespace

Closures capture state

Modules encapsulate reusable state

REPL maintains interactive session state

Pipelines pass structured objects preserving state

Lists, maps, records as primary structured data

Variables store data in namespaces

Files used for persistent input/output

Pipelines transform data sequentially

Modules provide reusable data operations