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# Description Provides the ability to split string columns. This will change the column type to list<str>. ```nushell > ❯ : [[a]; ["one,two,three"]] | polars into-df | polars select (polars col a | polars str-split ",") | polars collect ╭───┬───────────────╮ │ # │ a │ ├───┼───────────────┤ │ 0 │ ╭───┬───────╮ │ │ │ │ 0 │ one │ │ │ │ │ 1 │ two │ │ │ │ │ 2 │ three │ │ │ │ ╰───┴───────╯ │ ╰───┴───────────────╯ > ❯ : [[a]; ["one,two,three"]] | polars into-df | polars select (polars col a | polars str-split ",") | polars schema ╭───┬───────────╮ │ a │ list<str> │ ╰───┴───────────╯ ``` # User-Facing Changes - Introduces new command `polars str-split`
Nushell core libraries and plugins
These sub-crates form both the foundation for Nu and a set of plugins which extend Nu with additional functionality.
Foundational libraries are split into two kinds of crates:
- Core crates - those crates that work together to build the Nushell language engine
- Support crates - a set of crates that support the engine with additional features like JSON support, ANSI support, and more.
Plugins are likewise also split into two types:
- Core plugins - plugins that provide part of the default experience of Nu, including access to the system properties, processes, and web-connectivity features.
- Extra plugins - these plugins run a wide range of different capabilities like working with different file types, charting, viewing binary data, and more.