export def for core
Define a custom command and export it from a module.
Signature
> export def {flags} (def_name) (params) (block)
Flags
-
--env: Environment: defined inside the command. -
--wrapped: Unknown flags and arguments: strings that require rest-like parameter in signature.
Parameters
-
def_name: Command name to define. -
params: Command parameters: comma-separated list inside []. -
block: Command body: list of instructions inside {}.
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
fooNotes
This command is a parser keyword. For details, check: https://www.nushell.sh/book/thinking_in_nu.html
Copyright © 2019–2026 The Nushell Project DevelopersLicensed under the MIT License.
https://www.nushell.sh/commands/docs/export_def.html