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jpemberthy/gist:484764

Created July 21, 2010 16:57
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gistfile1.rb
def number_with_delimiter(number, delimiter=",", separator=".")
begin
parts = number.to_s.split('.')
parts[0].gsub!(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1#{delimiter}")
parts.join separator
rescue
number
end
end
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rdp commented Jul 5, 2011

why is there a rescue in there... ?

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jpemberthy commented Jul 5, 2011 •
edited

calling number_with_delimeter("") will raise:

NoMethodError: undefined method `gsub!' for nil:NilClass
from (irb):3:in `number_with_delimiter'
from (irb):25
from /Users/jpemberthy/.rvm/rubies/ruby-1.9.2-p180/bin/irb:16:in `<main>'

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