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Instance Method Summary collapse

Instance Method Details

#silent(*what) ⇒ Object

Silently execute a block. Arguments should be :stdout and/or :stderr, and a block should be given.



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# File 'lib/silent.rb', line 5

def silent(*what)
  return unless block_given?

  _stdout, $stdout = $stdout, StringIO.new if what.include?(:stdout)
  _stderr, $stderr = $stderr, StringIO.new if what.include?(:stderr)

  res = yield

  $stdout = _stdout if what.include?(:stdout)
  $stderr = _stderr if what.include?(:stderr)

  res
end