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Display aliases and custom commands in which; fix #2810 (#2834)

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* Display aliases and custom commands in which; Fix #2810

Example output of nu after the commit is applied:

```shell
/home/leo/repos/nushell(feature/which_inspect_alias)> def docker-ps [] { docker ps --format '{{json .}}' | from json -o }
/home/leo/repos/nushell(feature/which_inspect_alias)> which docker-ps
───┬───────────┬────────────────────────┬─────────
 # │    arg    │          path          │ builtin
───┼───────────┼────────────────────────┼─────────
 0 │ docker-ps │ nushell custom command │ No
───┴───────────┴────────────────────────┴─────────
/home/leo/repos/nushell(feature/which_inspect_alias)> alias d = gid pd
/home/leo/repos/nushell(feature/which_inspect_alias)> which d
───┬─────┬───────────────┬─────────
 # │ arg │     path      │ builtin
───┼─────┼───────────────┼─────────
 0 │ d   │ nushell alias │ No
───┴─────┴───────────────┴─────────
```

* Update documentation
This commit is contained in:
Leonhard Kipp
2021-01-01 18:40:44 +01:00
committed by GitHub
parent 43c10b0625
commit 48f535f02e
3 changed files with 64 additions and 19 deletions
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24
docs/commands/which.md
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@ -79,3 +79,27 @@ Passing the `all` flag identifies all instances of a command or binary
builtin │ No
─────────┴────────────────────────────────
```
`which` also identifies aliases
```shell
> alias e = echo
> which e
───┬─────┬───────────────┬─────────
# │ arg │ path │ builtin
───┼─────┼───────────────┼─────────
0 │ e │ Nushell alias │ No
───┴─────┴───────────────┴─────────
```
and custom commands
```shell
> def my_cool_echo [arg] { echo $arg }
> which my_cool_echo
───┬──────────────┬────────────────────────┬─────────
# │ arg │ path │ builtin
───┼──────────────┼────────────────────────┼─────────
0 │ my_cool_echo │ Nushell custom command │ No
───┴──────────────┴────────────────────────┴─────────
```