http://snippets.dzone.com/posts Sat, 06 Sep 2008 20:07:48 GMT DZone Snippets: Sooli's Code Snippets http://snippets.dzone.com/posts/show/3964 Here a little script to get time and distance between two towns with google maps. You can change "voiture" by your langage word "car", or anything else. <br /> <br />this is a command line version : # ruby myscript.rb "Lyon" "Paris" <br />You can easily change it for a Ruby on Rails project :) <br />Maybie we can upgrade this script using regexp. <br /> <br /><code> <br />require "open-uri" <br />require "cgi" <br /> <br /># Command line arguments ... <br />$*.each {|argu| argu.gsub!("\"","")} <br /># Defaults towns <br />src = "Lyon" <br />dest = "Paris" <br /># If we have fill two aguments ... <br />if $*.size == 2 then <br /> src = $*[0] <br /> dest = $*[1] <br />end <br /> <br />html = "" <br />url = "http://maps.google.com/maps?f=d&hl=fr&saddr=" + CGI.escape(src) + "&daddr="+ CGI.escape(dest) <br /># Read the html page <br />open(url) {|f| <br /> f.each_line {|line| html += line} <br />} <br />pos1 = html.index("voiture") # French version <br />pos2 = html.index("</td>",pos1) unless pos1 == nil <br />pos1 = html.index(">",pos2+6)+1 unless pos2 == nil <br />pos2 = html.index("</td>",pos2+1) -1 unless pos2 == nil <br />ret = "" <br />if pos1 != nil and pos2 != nil <br /> ret = html[pos1..pos2].gsub!("&#160;", " ") <br />else <br /> ret = "0" <br />end <br />html = nil <br />p ret <br /></code> Tue, 08 May 2007 14:03:29 GMT http://snippets.dzone.com/posts/show/3964 sooli (BONNAURE)