formatted-money
For all Rubyist that use Integer for storing money values as cents. This is a dead simple gem for converting money from user inputs to Integer values for storing and fast precise calculations (and back). Does everything you need and nothing else. Well tested.
Installation and Requirements
Install the gem and require it:
$ gem install formatted-money
require 'formatted-money'
formatted-money requires Ruby 1.9.3. Don't use it with 1.8.x, 1.9.x should work though.
Usage
Formatted float to cents:
FormattedMoney.cents('1.394.000,56') => 139400056
FormattedMoney.cents('7.899.994.000,56') => 789999400056
Cents to formatted float:
FormattedMoney.amount(Integer(13820000)) => "138.200,00"
European and American submodules are available:
FormattedMoney::European.cents('4.000,56') => 400056
To change the defaul behaviour:
FormattedMoney.delimiter = ' '
FormattedMoney.cents_separator = FormattedMoney::American::CENTS_SEPARATOR
FormattedMoney.amount(Integer(13820000)) => "138 200,00"