list and extract entries from a zip file over http

Gemfile

source 'https://rubygems.org'
gem 'zipruby'

zipget.rb

#!/usr/bin/env ruby

# extract a file from a zip archive

require 'net/http'
require 'zipruby'

uri = URI( 'http://localhost/tmp/tmp.zip' )
Net::HTTP.start( uri.host, uri.port ) do |http|
  req = Net::HTTP::Get.new uri
  res = http.request req
  Zip::Archive.open_buffer(res.read_body) do |zip|
    zip.fopen( '2.txt' ) do |f|
      while chunk = f.read( 8192 )
        print chunk
      end
    end
  end
end

ziplist.rb

#!/usr/bin/env ruby

# list files in a zip archive

require 'zipruby'

uri = URI( 'http://localhost/tmp/tmp.zip' )
Net::HTTP.start( uri.host, uri.port ) do |http|
  req = Net::HTTP::Get.new uri
  res = http.request req
  Zip::Archive.open_buffer(res.read_body) do |zip|
    zip.each do |f|
      puts "#{f.name} (#{f.size})"
    end
  end
end