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我的代码:开放-URI红宝石错误
require 'open-uri'
print "Enter a URL: "
add = gets
added = add.sub!(/http:\/\//, "")
puts "Info from: #{add}"
open("#{add}") do |f|
img = f.read.scan(/<img/)
img = img.length
puts "\t#{img} images"
f.close
end
open("#{add}") do |f|
links = f.read.scan(/<a/)
links = links.length
puts "\t#{links} links"
f.close
end
open("#{add}") do |f|
div = f.read.scan(/<div/)
div = div.le1ngth
puts "\t#{div} div tags"
f.close
end
(是的,我知道这是不好的代码,它请不要评论)当我运行它,并为URL ,我进去,说:
http://stackoverflow.com
我得到以下错误:
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/open-uri.rb:32:in `initialize': No such file or directory - http (Errno::ENOENT)
from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/open-uri.rb:32:in `open_uri_original_open'
from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/open-uri.rb:32:in `open'
为什么会出现这种错误来了,我该如何解决?