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NIFI-13736 Updated Expression Language Guide join function example (#9256) 

Signed-off-by: David Handermann <exceptionfactory@apache.org>
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markobean 2024-09-14 16:07:48 -04:00 committed by GitHub
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nifi-docs/src/main/asciidoc/expression-language-guide.adoc
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@ -2865,14 +2865,14 @@ provides several functions for evaluating the same conditions against groups of
*Return Type*: [.returnType]#String#
*Examples*: Given that the "abc" attribute contains the value "hello world", "xyz" contains "good bye world",
and "filename" contains "file.txt" consider the following examples:
*Examples*: Given that the "abc" attribute contains the value "hello world", "xyz" contains "goodbye world",
consider the following examples:
.join Examples
|=======================================================================================
| Expression | Value
| `${allMatchingAttributes("[ax].*"):substringBefore(" "):join("-")}` | `hello-good`
| `${allAttributes("abc", "xyz"):join(" now")}` | `hello world nowgood bye world now`
| `${allMatchingAttributes("[ax].*"):substringBefore(" "):join("-")}` | `hello-goodbye`
| `${allAttributes("abc", "xyz"):join(" now ")}` | `hello world now goodbye world`
|=======================================================================================