polars str-strip-chars

For dataframe.

warning This command requires a plugin The polars str-strip-chars 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 str-strip-chars {flags} (pattern)

Flags

• --start, -s: Strip from start of strings only.
• --end, -e: Strip from end of strings only.

Parameters

• pattern: Characters to strip as either a string or polars expression.

Input/output types:

Examples

Strip characters from both ends of strings in a column

> [[text]; ["!!!hello!!!"] ["!!!world!!!"] ["!!!test!!!"]] | polars into-df | polars select (polars col text | polars str-strip-chars "!") | polars collect
╭───┬───────╮
│ # │ text  │
├───┼───────┤
│ 0 │ hello │
│ 1 │ world │
│ 2 │ test  │
╰───┴───────╯

Strip characters from both ends of strings in a column using an expression

> [[text]; ["!!!hello!!!"] ["!!!world!!!"] ["!!!test!!!"]] | polars into-df | polars select (polars col text | polars str-strip-chars (polars lit "!")) | polars collect
╭───┬───────╮
│ # │ text  │
├───┼───────┤
│ 0 │ hello │
│ 1 │ world │
│ 2 │ test  │
╰───┴───────╯

Strip characters from end of strings in a column

> [[text]; ["hello!!!"] ["world!!!"] ["test!!!"]] | polars into-df | polars select (polars col text | polars str-strip-chars --end "!") | polars collect
╭───┬───────╮
│ # │ text  │
├───┼───────┤
│ 0 │ hello │
│ 1 │ world │
│ 2 │ test  │
╰───┴───────╯

Strip characters from start of strings in a column

> [[text]; ["!!!hello"] ["!!!world"] ["!!!test"]] | polars into-df | polars select (polars col text | polars str-strip-chars --start "!") | polars collect
╭───┬───────╮
│ # │ text  │
├───┼───────┤
│ 0 │ hello │
│ 1 │ world │
│ 2 │ test  │
╰───┴───────╯

Ported from nushell/nushell.github.io. Copyright (c) 2021 Nushell Project. MIT License.