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    The visual helped a lot Commented Feb 10, 2012 at 1:46
  • Nice analogy. I've understood the concept of the stream pipeline for many years now, but somehow noone has ever used the factory / conveyor analogy, which makes it really easily (and succinctly) understandable. Thank you! Commented Feb 28, 2012 at 18:34
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    Great analogy. Going to borrow this one if you don't mind. Commented May 30, 2012 at 15:31
  • Gilles, I've asked a question on your phrasing at the bottom: unix.stackexchange.com/q/96724/29146. could you clarify? Commented Oct 19, 2013 at 6:01
  • @Gilles - Can you include an example that illustrates the option to define the redirection before or after the command? For example, can the pipeline read as input-file.txt > commandA or input-file.txt < commandA? Commented Dec 23, 2018 at 18:34