From: Ruby Newbee <rubynewbee@...>
Date: 2010-01-01T15:26:38+09:00
Subject: Re: send emails

On Fri, Jan 1, 2010 at 2:16 PM, Phillip Gawlowski <pg@thimian.com> wrote:
> On 01.01.2010 07:06, Ruby Newbee wrote:
>>
>> On Fri, Jan 1, 2010 at 11:43 AM, Derek Smith
>> <derekbellnersmith@yahoo.com>  wrote:
>>>
>>> Ruby Newbee wrote:
>>>>
>>>> Hello,
>>>>
>>>> I need a module for sending emails.
>>>> Could you show me where I can find it and what's the syntax?
>>>> Thanks.
>>>
>>> Have fun!
>>>
>>>
>>> require 'net/smtp'
>>>  Net::SMTP.start('smtp.example.com', 25) do |smtp|
>>>    smtp.open_message_stream('from_addr', [to_addr]) do |f|
>>>      f.puts 'From: shabbir@g4ef.com'
>>>      f.puts 'To: pradeep@g4ef.com'
>>>      f.puts 'Subject: test message'
>>>      f.puts 'This is a test message.'
>>>    end
>>>  end
>>>
>>
>> Thanks, that works.
>>
>> But from syntax point to see, what's Net::SMTP.start('smtp.example.com',
>> 25)?
>> why it can accept a block as argument?
>
> Because it the #start method was written that way. ;)
> The reason, I imagine, is to provide some failure resistance: If a code gets
> exited, the environment gets "reset" (DB connections get closed, files
> written to disk, etc).
>

Thanks Phillip.
Can you kindly tell me how to write that a method?

I know something like:

class Myclass
  def myfunc a,b,c
    do_something_with a,b,c
  end
end

x= Myclass.new
x.myfunc(1,2,3)

but I dont know how to write a method which accepts a block (like the
above smtp one).
THanks.

Jenn.