Class: MysqlBackup::Pty

Inherits:
Object
  • Object
show all
Defined in:
lib/mysql_backup/pty.rb

Class Method Summary collapse

Class Method Details

.exec_pty(cmd, password) ⇒ Object 



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# File 'lib/mysql_backup/pty.rb', line 8

def exec_pty(cmd, password)
#        $expect_verbose = true # NOTE uncomment to print output 
  password = '' if password.nil?

  PTY.spawn(cmd) do |reader, writer, pid|
    begin
      reader.expect(/Enter password/, 1) do |line|
        writer.puts password
      end 
    rescue
      puts "WARN: #{$!}" # TODO this can fail with unknown consequences
      puts reader.gets
    end

    begin
      while line = reader.gets
        # TODO detect errors we should act upon
  #            raise line if line.strip.length > 1
      end
    rescue Errno::EIO # EOF
    end
  end 
end