sed '$G;1h;1!H;$!d' | Hacker News

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		tbe on June 17, 2012 \| parent \| context \| favorite \| on: Actually using Ed sed '$G;1h;1!H;$!d'

ralph on June 17, 2012 [–]

Nice try, but efficiency aside, it breaks.

    $ sed '$G;1h;1!H;$!d' <<<foo | hd
    00000000  66 6f 6f 0a 0a             |foo..|
    00000005
    $

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