polars selector for expression
Create column selectors for use in polars commands.
This command requires a plugin
The polars selector command resides in the polars plugin. To use this command, you must install and register nu_plugin_polars. See the Plugins chapter in the book for more information.
Command Type
plugin
Signature
> polars selector {flags}
Input/output types:
| input | output |
|---|---|
| nothing | string |
Notes
You must use one of the subcommands below. Using this command as-is will only produce this help message.
Selectors are expressions that can be used to select columns in dataframes based on various criteria. These selectors can be used with commands that accept column expressions, such as polars select, polars with-column, and others.