Testing join function within Puppet manifest file ...

gistfile1.rb

krzysztof@samsung ~/Sandbox $ cat - | LOAD_PATH=. FACTERLIB=. puppet

define iterator {
  notice $name
}

$array = ['a', 'b', 'c']

$result = split(join($array, ',', 'letter_'), ',')

notice $result

iterator { $result: }

notice: Scope(Class[main]): letter_a letter_b letter_c
notice: Scope(Iterator[letter_a]): letter_a
notice: Scope(Iterator[letter_b]): letter_b
notice: Scope(Iterator[letter_c]): letter_c