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andreiglingeanu/rack_exercice.rb

Last active December 21, 2015 11:08
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A Simple Rack Exercise
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rack_exercice.rb
arg = ARGV[0]
raise "Argument is not passed." unless arg
app = lambda do |env|
[200, {"Content-Type" => "text/plain"}, ["Command line argument you typed was: #{arg}"]]
end
puts app.call({})
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