The Grails Framework 3.2.8

(Quick Reference) ## join ### Purpose Uses the Groovy JDK join method to concatenate the `toString()` representation of each item in this collection with the given separator. ### Examples
    <g:join in="['Grails', 'Groovy', 'Gradle']" delimiter="_"/>
That would result in output like this:
    Grails_Groovy_Gradle
### Description Attributes # `in` - The collection to iterate over # `delimiter` (optional) - The value of the delimiter to use during the join. If no delimiter is specified then ", " (a comma followed by a space) will be used | Quick Reference (hide)