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gr33n7007h/tp.rb

Last active November 6, 2019 16:51
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TracePoint
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tp.rb
#!/usr/bin/env ruby
require 'open3'
TracePoint.trace(:call) do |tp|
if tp.method_id == :capture3
m = tp.self.method(tp.method_id)
m.parameters.each do |_, param|
puts "#{tp.method_id} called with #{tp.binding.local_variable_get(param)}"
end
end
end
Open3.capture3('ls -lhas')
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