docs-v2/content/flux/v0.x/stdlib/strings/trimspace.md

title	description	menu	weight
strings.trimSpace() function	`strings.trimSpace()` removes leading and trailing spaces from a string.	flux_0_x_ref name parent identifier strings.trimSpace strings strings/trimSpace	101

strings.trimSpace() removes leading and trailing spaces from a string.

Function type signature

(v: string) => string

{{% caption %}}For more information, see Function type signatures.{{% /caption %}}

Parameters

v

({{< req >}}) String to remove spaces from.

Examples

Trim leading and trailing spaces from all values in a column

import "strings"

data
    |> map(fn: (r) => ({r with _value: strings.trimSpace(v: r._value)}))

{{< expand-wrapper >}} {{% expand "View example input and ouput" %}}

Input data

_time	_value	*tag
2021-01-01T00:00:00Z	smpl_g9qczs	t1
2021-01-01T00:00:10Z	smpl_0mgv9n	t1
2021-01-01T00:00:20Z	smpl_phw664	t1
2021-01-01T00:00:30Z	smpl_guvzy4	t1
2021-01-01T00:00:40Z	smpl_5v3cce	t1
2021-01-01T00:00:50Z	smpl_s9fmgy	t1

_time	_value	*tag
2021-01-01T00:00:00Z	smpl_b5eida	t2
2021-01-01T00:00:10Z	smpl_eu4oxp	t2
2021-01-01T00:00:20Z	smpl_5g7tz4	t2
2021-01-01T00:00:30Z	smpl_sox1ut	t2
2021-01-01T00:00:40Z	smpl_wfm757	t2
2021-01-01T00:00:50Z	smpl_dtn2bv	t2

Output data

_time	_value	*tag
2021-01-01T00:00:00Z	smpl_g9qczs	t1
2021-01-01T00:00:10Z	smpl_0mgv9n	t1
2021-01-01T00:00:20Z	smpl_phw664	t1
2021-01-01T00:00:30Z	smpl_guvzy4	t1
2021-01-01T00:00:40Z	smpl_5v3cce	t1
2021-01-01T00:00:50Z	smpl_s9fmgy	t1

_time	_value	*tag
2021-01-01T00:00:00Z	smpl_b5eida	t2
2021-01-01T00:00:10Z	smpl_eu4oxp	t2
2021-01-01T00:00:20Z	smpl_5g7tz4	t2
2021-01-01T00:00:30Z	smpl_sox1ut	t2
2021-01-01T00:00:40Z	smpl_wfm757	t2
2021-01-01T00:00:50Z	smpl_dtn2bv	t2

{{% /expand %}} {{< /expand-wrapper >}}