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Remove files and directories whose name is a timestamp older than a certain time

 $ ls | grep '....-..-..-......' | xargs -I {} bash -c "[[ x{} < x$(date -d '3 days ago' +%Y-%m-%d-%H%M%S) ]] && rm -rfv {}"

May 7, 2013, 8:54 a.m.openiduser95