core

Define a custom command and export it from a module.

Signature

> export def {flags} (def_name) (params) (block)

Flags

• --env, -: keep the environment defined inside the command
• --wrapped, -: treat unknown flags and arguments as strings (requires ...rest-like parameter in signature)

Parameters

• def_name: Command name.
• params: Parameters.
• block: Body of the definition.

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

Notes

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