From: Adam Nelreth <nelreth@...>
Date: 2010-03-25T19:16:36+09:00
Subject: Re: hash problem

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
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