From: dhtapp <dhtapp@...>
Date: 2003-09-01T18:27:47+09:00
Subject: Newbie question re: 'net'

Hi,

I have the Nutshell book, and I've been playing with the Net classes
examples.

The FTP example works like a champ. (A dozen lines to manage a simple FTP
session...who knew :-)

However, I'm running into a little snag with the POP3 (or, more
specifically, the PopMail) class.

I just want to print the number of unread mails (which works), and the
header for each mail.  But when I do this:

require 'net/pop'
mailbox = Net::POP3::new( "pop.west.cox.net" )
mails = []
mailbox.start( "dhtapp", <PW here> ) { mails = mailbox.mails }
print "# of mails:  ", mails.size, "\n"
mails.each  { |mail| p mail.header, "\n" }

I get:

# of mails:  1
c:/ruby/lib/ruby/1.8/net/protocol.rb:259:in `do_write': undefined method
`write'
 for nil (NoMethodError)
        from c:/ruby/lib/ruby/1.8/net/protocol.rb:242:in `writeline'
        from c:/ruby/lib/ruby/1.8/net/protocol.rb:241:in `writing'
        from c:/ruby/lib/ruby/1.8/net/protocol.rb:243:in `writeline'
        from c:/ruby/lib/ruby/1.8/net/pop.rb:785:in `getok'
        from c:/ruby/lib/ruby/1.8/net/pop.rb:745:in `top'
        from c:/ruby/lib/ruby/1.8/net/pop.rb:744:in `critical'
        from c:/ruby/lib/ruby/1.8/net/pop.rb:747:in `top'
        from c:/ruby/lib/ruby/1.8/net/pop.rb:657:in `top'
        from c:/ruby/lib/ruby/1.8/net/pop.rb:661:in `header'
        from trypop.rb:10
        from trypop.rb:10:in `each'
        from trypop.rb:10

I've tried moving the "p mail.header" up as a block to the mailbox.start
call, thinking that maybe the mailbox was closed by the time I tried to
print the headers out, but it made no difference.  Can anyone point me to
something obvious?

Thanks,

- dan