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JoelQ/four_line_repl.rb

Last active November 10, 2018 19:54
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4-line Ruby REPL (read eval print loop)
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four_line_repl.rb
puts "4 line REPL (read eval print loop)"
$stdin.each_line do |line| # READ
return_value = eval(line.chomp) # EVAL
puts return_value # PRINT
end # LOOP
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