docs-v2/content/flux/v0/stdlib/strings/trimright.md

title	description	menu	weight
strings.trimRight() function	`strings.trimRight()` removes trailing characters specified in the cutset from a string.	flux_v0_ref name parent identifier strings.trimRight strings strings/trimRight	101

strings.trimRight() removes trailing characters specified in the cutset from a string.

Function type signature

(cutset: string, v: string) => string

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

Parameters

v

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

cutset

({{< req >}}) Trailing characters to trim from the string.

Only characters that match the cutset string exactly are trimmed.

Examples

Trim trailing periods from all values in a column

import "strings"

data
    |> map(fn: (r) => ({r with _value: strings.trimRight(v: r._value, cutset: ".")}))

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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

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