From: Harry Date: 2007-04-29T12:47:34+09:00 Subject: Re: [QUIZ] Checking Credit Cards (#122) On 4/27/07, Ruby Quiz wrote: > > This week's Ruby Quiz is to write a program that accepts a credit card number as > a command-line argument. The program should print the card's type (or Unknown) > as well a Valid/Invalid indication of whether or not the card passes the Luhn > algorithm. > > This Ruby Quiz has been translated into Japanese. Maybe there will be more people participating. http://d.hatena.ne.jp/nappa_zzz/20070429 Harry -- http://www.kakueki.com/ruby/list.html A Look into Japanese Ruby List in English