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appendIfMissing

appendIfMissing(text: String, suffix: String): String

Appends the suffix to the end of the text if the text does not already ends with the suffix.

Introduced in DataWeave version 2.2.0.

Parameters

Name Description

text

The input string.

suffix

The text used as the suffix.

Example

This example shows how appendIfMissing behaves with different inputs and sizes.

Source

%dw 2.0
import appendIfMissing from dw::core::Strings
output application/json
---
{
  "a": appendIfMissing(null, ""),
  "b": appendIfMissing("abc", ""),
  "c": appendIfMissing("", "xyz") ,
  "d": appendIfMissing("abc", "xyz") ,
  "e": appendIfMissing("abcxyz", "xyz")
}

Output

{
  "a": null,
  "b": "abc",
  "c": "xyz",
  "d": "abcxyz",
  "e": "abcxyz"
}

appendIfMissing(text: Null, suffix: String): Null

Helper function that enables appendIfMissing to work with a null value.

Introduced in DataWeave version 2.2.0.