polars into-nu for dataframe

Converts a dataframe or an expression into nushell value for access and exploration.

This command requires a plugin

The polars into-nu 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.

Signature

> polars into-nu {flags}

Flags

  • --rows, -n {number}: number of rows to be shown
  • --tail, -t: shows tail rows
  • --index, -i: add an index column

Input/output types:

inputoutput
expressionany
dataframetable
datatypeany
schemaany

Examples

Shows head rows from dataframe

> [[a b]; [1 2] [3 4]] | polars into-df | polars into-nu --index
╭───┬───┬───╮
│ # │ a │ b │
├───┼───┼───┤
│ 0 │ 1 │ 2 │
│ 1 │ 3 │ 4 │
╰───┴───┴───╯

Shows tail rows from dataframe

> [[a b]; [1 2] [5 6] [3 4]] | polars into-df | polars into-nu --tail --rows 1 --index
╭───┬───┬───╮
│ # │ a │ b │
├───┼───┼───┤
│ 2 │ 3 │ 4 │
╰───┴───┴───╯

Convert a col expression into a nushell value

> polars col a | polars into-nu --index
╭───────┬────────╮
│ expr  │ column │
│ value │ a      │
╰───────┴────────╯