gistfile1.txt

    require 'open3'
    
    command = '$stderr.puts("X" * 70_000); $stdout.puts("X" * 70_000)'
    full_command = "ruby -e '#{command}'"
    Open3.popen3(full_command) do |_in, out, err, _t|
      out.each { |line| $stdout.puts line }
      err.each { |line| $stderr.puts line }
    end
    
    
        require 'open3'
    
    command = '$stderr.puts("E" * 70_000); $stdout.puts("o" * 70_000)'
    full_command = "ruby -e '#{command}'"
    Open3.popen3(full_command) do |_in, out, err, _t|
      threads = []
      threads << Thread.new { out.each { |line| $stdout.puts line }}
      threads << Thread.new { err.each { |line| $stderr.puts line }}
      threads.each { |t| t.join }
    end