From: ts <decoux@...>
Date: 2002-11-16T03:09:43+09:00
Subject: Re: Problem writing to file after closing $stdout & $stderr

>>>>> "E" == Eric Schwartz <emschwar@fc.hp.com> writes:

E> 7  $stdout.close
E> 8  $stdout = nil

 It want to flush $stdout, don't make an assignement after the close

pigeon% cat b.rb
#!/usr/bin/ruby
puts "before fork"
fork do
   puts "in child"
   logfile = File.open('/tmp/logfile','w')
   logfile.sync=true
   logfile.puts "before cleosing file descriptors"
   $stdout.close
   logfile.puts "closed $stdout"
   $stderr.close
   logfile.puts "closed $stderr"
   $stdin.close
   logfile.puts "closed $stdin"
end
puts "after fork, in parent"
pigeon% 

pigeon% b.rb
before fork
after fork, in parent
in child
pigeon% 

pigeon% cat /tmp/logfile 
before cleosing file descriptors
closed $stdout
closed $stderr
closed $stdin
pigeon% 



Guy Decoux