From: Robert Klemme <shortcutter@...>
Date: 2010-03-25T19:19:31+09:00
Subject: Re: hash problem

2010/3/25 Adam Nelreth <nelreth@gmail.com>:
> F. Senault wrote:
>> Le 25 mars � 10:29, Adam Nelreth a �crit :
>>
>>> but this doesn't work :/
>>
>> It should.  Show us your whole code, not just snippets - the problem
>> lies somewhere else.
>>
>>>> h = Hash.new(0)
>> => {}
>>>> if h.has_key?("1.2.3.4")
>>>>   puts "In table."
>>>>   else
>> ?>     h["1.2.3.4"] = 1
>>>>   end
>> => 1
>>>> if h.has_key?("1.2.3.4")
>>>>   puts "In table."
>>>>   else
>> ?>     h["1.2.3.4"] = 1
>>>>   end
>> In table.
>> => nil
>>>> h.has_key?("1.2.3.4")
>> => true
>>
>> Fred
>
> Ok - here is code:
>
> login = 'aaa'
> test = Hash.new
>
> imap = Net::IMAP.new('imap-server',993,true)
> puts "passwd: "
> pass = gets.chop
> imap.login(login,pass)
> imap.select('example')
> imap.uid_search(["SUBJECT", "To-check",
>                 "NOT", "SEEN"]).each do |uid|
>        mess = imap.uid_fetch(uid, "ENVELOPE")[0].attr["ENVELOPE"]
>        title = mess.subject
>        ip =
> /(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/.match(title)
>        if test.has_key?(ip)
>                test[ip] += 1
>        else
>                test[ip] = 1
>        end
> end
> imap.logout()
> imap.disconnect()
>
> I try with else test[ip] = 1 and without else - it still doesn't work
> like I need - maybe there is problem with "" or '' because I don't set
> it when I put key to hash table

ip is of type MatchData.  What you want is a String.

irb(main):001:0> ip = "foo".match /o+/
=> #<MatchData "oo">
irb(main):002:0> ip[0]
=> "oo"

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/