为何 Mac OS X 在命令行下 find 一个目录会比较耗时？ - V2EX
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lu18887

为何 Mac OS X 在命令行下 find 一个目录会比较耗时？

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  •   lu18887 Oct 22, 2014 3638 views
    This topic created in 4228 days ago, the information mentioned may be changed or developed.
    lu18887deMacBook-Pro:data lu18887$ date
    2014年10月22日 星期三 20时28分24秒 CST
    lu18887deMacBook-Pro:data lu18887$ find . -name "20140509" -type d
    ./20140509
    lu18887deMacBook-Pro:data lu18887$ date
    2014年10月22日 星期三 20时28分32秒 CST
    lu18887deMacBook-Pro:data lu18887$



    当前目录下，只有85个目录，名字全是2014xxxx，这性能简直差到让人不敢相信啊，RMBP 13……
  • lu18887
  • 目录
  • CST
    3 replies    2014-10-23 09:21:00 +08:00
    lu18887
        1
    lu18887  
    OP
       Oct 22, 2014
    去掉后面的 -type d 之后快了很多。
    yangg
        2
    yangg  
       Oct 22, 2014 via iPad
    看时间可以直接在用 “time find”
    lu18887
        3
    lu18887  
    OP
       Oct 23, 2014
    @yangg 谢了，学了一招！
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