module for core

Define a custom module.

Signature

> module (module) (block)

Parameters

• module: module name or module path
• block: body of the module if 'module' parameter is not a module path

Input/output types:

input	output
nothing	nothing

Examples

Define a custom command in a module and call it

> module spam { export def foo [] { "foo" } }; use spam foo; foo
foo

Define an environment variable in a module

> module foo { export-env { $env.FOO = "BAZ" } }; use foo; $env.FOO
BAZ

Define a custom command that participates in the environment in a module and call it

> module foo { export def-env bar [] { $env.FOO_BAR = "BAZ" } }; use foo bar; bar; $env.FOO_BAR
BAZ

Notes

This command is a parser keyword. For details, check: https://www.nushell.sh/book/thinking_in_nu.html