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Pastable version of Silencing current output, but capture output from another process

<pre class='prettyprint' language='ruby'>def self.capture_system(*args) args = args.flatten.compact.collect { |arg| arg.to_s } return false if args.blank? rd, wr = IO.pipe pid = fork do rd.close $stdout.reopen wr $stderr.reopen wr yield if block_given? exec(*args) rescue nil exit! 1 # never gets here unless exec threw or failed end wr.close out = String.new out &lt;&lt; rd.read until rd.eof? Process.wait raise unless $?.success? out end</pre> <a href="http://www.refactormycode.com/codes/1166-silencing-current-output-but-capture-output-from-another-process" style="color:#fff" title="As seen on RefactorMyCode.com"><img alt="Small_logo" src="http://www.refactormycode.com/images/small_logo.gif" style="border:0" /></a>