Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!talisker.lacave.net!lacave.net!not-for-mail From: 7stud -- Newsgroups: comp.lang.ruby Subject: Re: search nearest to elements in array (hash) Date: Sat, 14 May 2011 16:28:57 -0500 Organization: Service de news de lacave.net Lines: 19 Message-ID: References: <86667b5fe1841c16852cd7c86dc82656@ruby-forum.com> NNTP-Posting-Host: bristol.highgroove.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Trace: talisker.lacave.net 1305408562 40087 65.111.164.187 (14 May 2011 21:29:22 GMT) X-Complaints-To: abuse@lacave.net NNTP-Posting-Date: Sat, 14 May 2011 21:29:22 +0000 (UTC) In-Reply-To: <86667b5fe1841c16852cd7c86dc82656@ruby-forum.com> X-Received-From: This message has been automatically forwarded from the ruby-talk mailing list by a gateway at comp.lang.ruby. If it is SPAM, it did not originate at comp.lang.ruby. Please report the original sender, and not us. Thanks! For more details about this gateway, please visit: http://blog.grayproductions.net/categories/the_gateway X-Mail-Count: 383259 X-Ml-Name: ruby-talk X-Rubymirror: Yes X-Ruby-Talk: Xref: x330-a1.tempe.blueboxinc.net comp.lang.ruby:4547 data = [1.1, 4.2, 3.1, 2.6, 6.1, 5.0] needle = rand 10 arr = data.map do |num| [(num - needle).abs, num] end sorted = arr.sort_by {|sub_arr| sub_arr[0]} puts needle puts sorted.first[1] --output:-- 2 2.6 -- Posted via http://www.ruby-forum.com/.