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rwjblue/format_currency.rb

Created September 5, 2012 19:15
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format_currency Method
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format_currency.rb
def format_currency(input, options = {:currency_symbol => '$', :delimiter => ',', :separator => '.', :precision => 2})
input ||= 0
number = "%01.#{options[:precision]}f" % input.to_d.round(options[:precision]).to_s("F")
parts = number.to_s.to_str.split('.')
parts[0].gsub!(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1#{options[:delimiter]}")
options[:currency_symbol] + parts.join(options[:separator])
end
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