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define array_file($lines) { $template = "<%= lines * '\n' %>" file { $name: content => inline_template($template) } } class master_concat_file { array_file { "/tmp/arrayed": lines => [], } } define entry_line() { include master_concat_file Array_file <| title == "/tmp/arrayed" |> { lines +> [ "$name" ], } } define special_line($env) { entry_line { "export $env special_$name": } } class test { entry_line { [ "cron", "mysql", "reboot", ]: } special_line { "foo": env => "FOO=BAR" } } include test

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