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module ApplicationHelper
# nicely_joined_with_commata(['1', '2', '3', '4'])
# = '1, 2, 3 und 4'
#
def nicely_joined_with_commata(array_of_things)
if array_of_things.count == 1
array_of_things.first.to_s
else
if array_of_things.count > 1
output = array_of_things[0, array_of_things.count - 1].map{|item| item.to_s}.join(', ')
if I18n.locale == :de
output += ' und '
else
output += ' and '
end
output += array_of_things.last.to_s
end
end
end
end
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