From: John Joyce Date: 2007-11-01T14:52:52+09:00 Subject: Re: Install hpricot on Leopard On Oct 31, 2007, at 11:50 PM, Colin Summers wrote: > Oh, this was working SO nicely until I upgraded the OS... > > I tried running my little site spider to keep my archive up-to-date > and I got an error about mechanize not being available. No problem, > I'll just fire up gem and install it. Not so fast... > > It requires hpricot and > sudo gem install hpricot > gave me errors that led me to the realization that new OS meant new > compilers and the installation of XCode 3.0. (I'm quite new to the CLI > stuff.) > > Once I did that, hpricot and mechanize both installed okay. But I get: > > /usr/local/lib/ruby/gems/1.8/gems/mechanize-0.6.10/lib/mechanize/ > inspect.rb:44: undefined method `pretty_inspect' for class > `WWW::Mechanize::Page' (NameError) > from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb: > 27:in `require' > from /usr/local/lib/ruby/gems/1.8/gems/mechanize-0.6.10/lib/ > mechanize.rb:42 > from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb: > 32:in `require' > from scrape.rb:13 > > Clues? > > Thanks. > --Colin > > Make sure you use sudo install gem_name_here --include-dependencies Also make sure your spider has the right shebang at the beginning. #! usr/bin/or/whatever Using the default Ruby on Leopard is definitely feasible now, but the path might be different from your old one. Now make sure you're requiring all the right stuff. require 'rubygems' require 'gem_name_here'