From: Ezra Zygmuntowicz <ezra@...>
Date: 2005-08-09T07:49:32+09:00
Subject: Re: what is wrong and how to write it shorter?

#!/usr/local/bin/ruby
require 'net/http'

def self.fetch(page, limit=5)
    begin
       data = Net::HTTP.get_response("www.rubyist.net", "/#{page}")
    rescue Exception => e
       limit -= 1
       limit > 0 ? retry : raise
    end
    data.body
end

(1..9).each do |pages|
     pg = "/~matz/slides/oscon2005/mgp0000#{pages}.txt"
     puts fetch(pg)
     puts '-' * 1
end

(10..59).each do |pages|
     pg = "/~matz/slides/oscon2005/mgp000#{pages_2}.txt"
     puts fetch(pg)
     puts '-' * 1
end

HTH-
-Ezra Zygmuntowicz
Yakima Herald-Republic
WebMaster
509-577-7732
ezra@yakima-herald.com

On Aug 8, 2005, at 3:16 PM, ngoc wrote:

> #!/usr/bin/ruby
> require 'net/http'
> h = Net::HTTP::new('www.rubyist.net')
> (1..9).each do |pages|
>     pg = '/~matz/slides/oscon2005/mgp0000' + pages + '.txt'
>     resp, data = h.get(pg)
>     print data, "\n"
>     puts 10 * '-'
> end
>
> (10..59).each do |pages_2|
>     pg = '/~matz/slides/oscon2005/mgp000' + pages_2 + '.txt'
>     resp, data = h.get(pg)
>     print data, "\n"
>     puts 10 * '-'
> end
>
> [message]
> block_closure.rb:5:in `+': failed to convert Fixnum into String  
> (TypeError)
>         from block_closure.rb:5
>         from block_closure.rb:4:in `each'
>         from block_closure.rb:4
>
> *****************************************************************
>
> An attempt to write it shorter
> #!/usr/bin/ruby
> require 'net/http'
> h = Net::HTTP::new('www.rubyist.net')
> h.get('/~matz/slides/oscon2005/') { |pages|
>     print pages, "\n"
>     puts 10 * '-'
> }
> in theory, above code merge html and text. How to pick up text only  
> file?
>
> [message]
> block_closure.rb:24:in `*': String can't be coerced into Fixnum  
> (TypeError)
>         from block_closure.rb:24
>         from block_closure.rb:22:in `call_block'
>         from /usr/lib/ruby/1.6/net/protocol.rb:342:in `<<'
>         from /usr/lib/ruby/1.6/net/protocol.rb:622:in `rbuf_moveto'
>         from /usr/lib/ruby/1.6/net/protocol.rb:516:in `read'
>         from /usr/lib/ruby/1.6/net/http.rb:1272:in `read_body_0'
>         from /usr/lib/ruby/1.6/net/http.rb:1247:in `read_body'
>         from /usr/lib/ruby/1.6/net/http.rb:602:in `get'
>         from /usr/lib/ruby/1.6/net/http.rb:601:in `request'
>         from /usr/lib/ruby/1.6/net/http.rb:668:in `request'
>         from /usr/lib/ruby/1.6/net/http.rb:667:in `start'
>         from /usr/lib/ruby/1.6/net/http.rb:667:in `request'
>         from /usr/lib/ruby/1.6/net/http.rb:601:in `get'
>         from block_closure.rb:22
>