2004-12-30 ディレクトリ作成時間、その2 SFU $ time find .... -type d | sed -e 's!....!!' | wc -l 2744 real 0m36.719s user 0m0.922s sys 0m15.812s $ time find .... -type d | sed -e 's!....!!' | xargs mkdir real 0m21.031s user 0m1.172s sys 0m18.750s