In Yahoo! Pipes how can I return a single value from a loop that’s built with values from every item?

For example, I have a list of items and each item has a name. I want to build a single string that contains a comma-separated list of all the names. In most programming languages, I would loop over the items and append to a value outside the list/array. But, I can’t figure out any combination of Yahoo! Pipes modules to do it. Maybe I’m missing something obvious, but I also find nothing relevant from Google.

How do I append loop item values to a single value outside the loop?

Or how can I return a single value from a loop that’s built with values from every item?

Or what is the correct method to accomplish this in Pipes if it’s neither of those?


Update: The best method I’ve figured out is to emit the results in one pipe, then include that pipe’s output in a 2nd pipe to concatenate the output as desired.

See also,

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