extern
For core.
Define a signature for an external command.
Command Type
keyword
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
Ported from nushell/nushell.github.io. Copyright (c) 2021 Nushell Project. MIT License.