mirror of
https://github.com/nushell/nushell
synced 2024-12-28 22:13:10 +00:00
4ef15b5f80
All the workarounds using `config` aren't necessary anymore. Only `config path` is still of interest.
65 lines
1.5 KiB
Markdown
65 lines
1.5 KiB
Markdown
# alias
|
|
|
|
This command allows you to define shortcuts for other common commands. By default, they only apply to the current session. To persist them, add `--save`.
|
|
|
|
Syntax: `alias {flags} <name> [<parameters>] {<body>}`
|
|
|
|
The command expects three parameters:
|
|
|
|
* The name of the alias
|
|
* The parameters as a space-separated list (`[a b ...]`), can be empty (`[]`)
|
|
* The body of the alias as a `{...}` block
|
|
|
|
## Flags
|
|
|
|
* `-s`, `--save`: Save the alias to your config (see `config path` to edit them later)
|
|
|
|
## Examples
|
|
|
|
Define a custom `myecho` command as an alias:
|
|
|
|
```shell
|
|
> alias myecho [msg] { echo $msg }
|
|
> myecho "hello world"
|
|
hello world
|
|
```
|
|
|
|
Since the parameters are well defined, calling the command with the wrong number of parameters will fail properly:
|
|
|
|
```shell
|
|
> myecho hello world
|
|
error: myecho unexpected world
|
|
- shell:1:18
|
|
1 | myecho hello world
|
|
| ^^^^^ unexpected argument (try myecho -h)
|
|
```
|
|
|
|
The suggested help command works!
|
|
|
|
```shell
|
|
> myecho -h
|
|
|
|
Usage:
|
|
> myecho ($msg) {flags}
|
|
|
|
parameters:
|
|
($msg)
|
|
|
|
flags:
|
|
-h, --help: Display this help message
|
|
```
|
|
|
|
## Persistent aliases
|
|
|
|
Aliases are most useful when they are persistent. For that, use the `--save` flag:
|
|
|
|
```shell
|
|
> alias --save myecho [msg] { echo $msg }
|
|
```
|
|
|
|
This will store the alias in your config, under the `startup` key. To edit the saved alias, run it again with the same name, or edit your config file directly. You can find the location of the file using `config path`.
|
|
|
|
For example, to edit your config file in `vi`, run:
|
|
```shell
|
|
> vi $(config path)
|
|
```
|