def

Define a custom command

Signature

> def (def_name) (params) (block)

Parameters

  • def_name: definition name
  • params: parameters
  • block: body of the definition

Notes

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

Examples

Define a command and run it

> def say-hi [] { echo 'hi' }; say-hi

Define a command and run it with parameter(s)

> def say-sth [sth: string] { echo $sth }; say-sth hi