Polars CLI

CLI

Build from source

bash cargo install --locked

```bash

polars Polars CLI v0.1.0 Type .help for help.

.help ┌─────────┬────────────────────┐ │ command ┆ description │ ╞═════════╪════════════════════╡ │ .help ┆ Display this help │ │ .exit ┆ Exit this program │ └─────────┴────────────────────┘ shape: (2, 2)

select * FROM readcsv('../../examples/datasets/foods1.csv'); shape: (27, 4) ┌────────────┬──────────┬────────┬──────────┐ │ category ┆ calories ┆ fatsg ┆ sugars_g │ │ --- ┆ --- ┆ --- ┆ --- │ │ str ┆ i64 ┆ f64 ┆ i64 │ ╞════════════╪══════════╪════════╪══════════╡ │ vegetables ┆ 45 ┆ 0.5 ┆ 2 │ │ seafood ┆ 150 ┆ 5.0 ┆ 0 │ │ meat ┆ 100 ┆ 5.0 ┆ 0 │ │ fruit ┆ 60 ┆ 0.0 ┆ 11 │ │ … ┆ … ┆ … ┆ … │ │ fruit ┆ 130 ┆ 0.0 ┆ 25 │ │ meat ┆ 100 ┆ 7.0 ┆ 0 │ │ vegetables ┆ 30 ┆ 0.0 ┆ 5 │ │ fruit ┆ 50 ┆ 0.0 ┆ 11 │ └────────────┴──────────┴────────┴──────────┘ ```

Or pipe your SQL command directly inline:

```bash $ echo "SELECT category FROM read_csv('../../examples/datasets/foods1.csv')" | polars

shape: (27, 1) ┌────────────┐ │ category │ │ --- │ │ str │ ╞════════════╡ │ vegetables │ │ seafood │ │ meat │ │ fruit │ │ … │ │ fruit │ │ meat │ │ vegetables │ │ fruit │ └────────────┘ ```

Features

| Feature | Description | | --------- | --------------------------------------------------------- | | default | The default feature set that includes all other features. | | highlight | Provides syntax highlighting | | parquet | Enables reading and writing of Apache Parquet files. | | json | Enables reading and writing of JSON files. | | ipc | Enables reading and writing of IPC/Apache Arrow files |