extern for core
Define a signature for an external command.
Signature
> extern {flags} (def_name) (params)
Parameters
-
def_name: The name of the external command signature to define. -
params: The parameters for the external command signature.
Input/output types:
| input | output |
|---|---|
| nothing | nothing |
Examples
Write a signature for an external command.
> extern echo [text: string]
Notes
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/extern.html
