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kuinak/gist:2f4cd2147fc7c855c16f702e1ab88ac2

Created November 2, 2018 03:44
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gistfile1.txt
PTY.spawn cmd do |i, o, pid|
Thread.new { o.putc STDIN.getch while !o.closed? }
t = Thread.new { putc i.readchar while !i.eof? }
Process::waitpid(pid) rescue nil
t.join
end
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