Linux 如何以毫秒为单位获取 ubuntu 文件时间戳
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how to get ubuntu file timestamp in millisecond
提问by user459635
Linux friends, how do you guys get a file timestamp in the resolution of milliseconds in Ubuntu? When I tried the command "stat" on my system, I get:
Linux 的朋友们，你们如何在 Ubuntu 中获得毫秒分辨率的文件时间戳？当我在我的系统上尝试命令“stat”时，我得到：
File: `tmp.dat'
Size: 14 Blocks: 8 IO Block: 4096 regular file
Device: 811h/2065d Inode: 13895454 Links: 1
Access: (0644/-rw-r--r--) Uid: ( 1000/ yqin) Gid: ( 1004/ dev)
Access: 2010-09-27 09:04:44.000000000 -0400
Modify: 2010-09-25 13:54:58.000000000 -0400
Change: 2010-09-25 13:54:58.000000000 -0400
It seems that the resolution is only up to second. Any ideas? Thanks a lot.
看来分辨率只有秒了。有任何想法吗？非常感谢。
回答by Aaron Digulla
That depends on the filesystem. fatwill give you 2 second resolution. ext2and ext3are based on seconds. ext4has nanoseconds (http://www.softpanorama.org/Internals/Filesystems/linux_ext2_ext3.shtml, search for "minimum timestamp resolution").
这取决于文件系统。fat会给你 2 秒的分辨率。ext2并且ext3基于秒。ext4有纳秒（http://www.softpanorama.org/Internals/Filesystems/linux_ext2_ext3.shtml，搜索“最小时间戳分辨率”）。
