![]() However, the documentation for stat(2) only mentions subsecond times in the Notes section near the bottom. Similarly, st_ctime and st_mtime shall be defined as macros with the values st_sec and st_sec, respectively.įor Linux, see utimensat(2). The defines some backwards-compatibility macros:įor compatibility with earlier versions of this standard, the st_atime macro shall be defined with the value st_sec. Note that modern versions of the stat() function return a structure with elements st_atim, st_ctim, and st_mtim. Not all systems actually support nanosecond resolution - they might round to the nearest microsecond. NewFileTime is a Windows tool that provides you easy access to correct or manipulate any of the timestamps for any file and folder on your Windows system. Bulk Rename Utility allows you to change the timestamp information for files and folders once you have renamed them. Not all file systems support nanosecond timestamps. The first element is the access time the second is the modification time. But the Modified stamp is left untouched. This is as basic a 'Touch' program as youll find. Both of these take a pair of struct timespec values in an array, which allows you to specify a time to nanoseconds. In Windows 8.0, copying a file from C: to D: changes its Created and Accessed time stamps. Example 1: Changing Creation time of a folder PS C:mytest> (Get-Item 'C:mytestmyfolder1'). However, mv is generally smart enough to restore the old timestamp to the best of its ability, so access. ![]() If you move a file to a different filesystem, its timestamp will be reset to the current time, because this is secretly a copy. According to POSIX, the function you need is utimensat() (or its close relative, futimens()). To change the timestamp of a single file or folder you get that file or folder object with the Get-Item cmdlet and simply assign a time to the timestamp you want to change. If you are moving a file or directory within a filesystem, the timestamps on that file or directory won't change.
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