polars selector array for expression

Select all array columns. Optionally filter by fixed width.

Signature

> polars selector array {flags}

Flags

  • --width {int}: Only select arrays with this fixed width.

Input/output types:

inputoutput
anypolars_selector

Examples

Create a selector for all array columns

> polars selector array

Create a selector for fixed-width arrays of size 3

> polars selector array --width 3