Bug #694: eof? call on a pty IO object causes application to exit
http://redmine.ruby-lang.org/issues/show/694

Author: Dave Thomas
Status: Open, Priority: Normal

dave[RUBY3/Book 18:08:15*] cat t.rb

require 'pty'

PTY.spawn("/usr/bin/ruby /usr/bin/irb") do |reader, writer, pid|
  reader.eof?
end  

dave[RUBY3/Book 18:08:52*] ruby -v t.rb

ruby 1.9.0 (2008-10-29 revision 15427) [i386-darwin9.5.0]
t.rb:4:in `eof?': pty - exited: 82527 (PTY::ChildExited)
	from t.rb:4:in `block in <main>'
	from t.rb:3:in `spawn'
	from t.rb:3:in `<main>'


This problem prevents expect() from working.


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