>Who hasn't ended up with something like: > cmd | sed | grep | sed | grep And the decorate-sort-undecorate pattern: https://en.m.wikipedia.org/wiki/Decorate

>Who hasn't ended up with something like: > cmd | sed | grep | sed | grep And the decorate-sort-undecorate pattern: https://en.m.wikipedia.org/wiki/Decorate-sort-undecorate https://en.m.wikipedia.org/wiki/Decorate-sort-undecorate and the related Schwartzian transform: https://en.m.wikipedia.org/wiki/Schwartzian_transform https://en.m.wikipedia.org/wiki/Schwartzian_transform (The former redirects to the latter.)