oh-my-posh/website/docs/segments/command.mdx
2022-12-06 19:38:39 +01:00

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---
id: command
title: Command
sidebar_label: Command
---
## What
:::caution powershell
While powerful, it tends to take a lot of time executing the command on **PowerShell**.
Even with `noprofile` it's noticeably slower compared to `sh`. It's advised to look at using
[environment variables][env] when using PowerShell.
:::
Command allows you run an arbitrary shell command. Be aware it spawn a new process to fetch the result, meaning
it will not be able to fetch session based context (look at abusing [environment variables][env] for that).
When the command errors or returns an empty string, this segment isn't rendered.
You have the ability to use `||` or `&&` to stitch commands together and achieve complex results. When using `||`
the first command that returns a string will be used (or none when they all fail to produce output that's not an
error). The `&&` functionality will join the output of the commands when successful.
## Sample Configuration
```json
{
"type": "prompt",
"alignment": "right",
"segments": [
{
"type": "command",
"style": "plain",
"foreground": "#ffffff",
"properties": {
"shell": "bash",
"command": "git log --pretty=format:%cr -1 || date +%H:%M:%S"
}
}
]
}
```
## Properties
| Name | Type | Description |
| --------- | -------- | --------------------------------------------------------------------------------- |
| `shell` | `string` | the shell in which to run the command in. Uses `shell -c command` under the hood. |
| `command` | `string` | the command(s) to run |
| `script` | `string` | the path to a script to run |
## Template ([info][templates])
:::note default template
```template
{{ .Output }}
```
:::
### Properties
| Name | Type | Description |
| ------- | ------ | ---------------------------------- |
|`.Output`|`string`|the output of the command or script.|
[env]: /docs/configuration/templates#environment-variables
[templates]: /docs/configuration/templates