Ruby on Rails

What is the easiest way to dump a selection of data for someone else
to import? If XML, what is the cleanest way to accomplish this?

As a hobby, I wrote a workout logging program that now has about 2000
users. From time to time, someone asks me to export their workout
records to another application. I finally decided to set up an XML
resource for this. But I don't want to put a lot of effort into it.

Right now, my controller looks like this:

def person_workouts_xml
@person = Person.find(params[:id])
@workouts = @person.workouts
end

My .builder template looks like this:

xml.instruct! :xml, :version=>"1.0"
xml.workouts{
for workout in @workouts
xml.workout(workout.to_xml)
end }

I also tried the builder template like this:

xml.workouts(@workouts.to_xml)

Both methods work, but the output is rather ugly, and I doubt others
will want to slog through it. Should I be using to_xml in combination
with the builder this way? Is there a better, cleaner, simpler way?

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