Renaming files without preserving their date and creation time

Question

Mario Trevino 2013-5-26

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/77041-renaming-files-without-preserving-their-date-and-creation-time

采纳的回答： Walter Roberson

I want to rename files but without preserving their original date and creation times.So far, Ive tried two options:

OPTION 1:

dos(['copy "' old_name'" "' new_name'"']); dos(['del "' old_name]);

OPTION 2: dos(['ren "' old_name'" "' new_name'"']);

... but both of them create the new files, yet preserving the original creation date/time. Can anyone help me?

thanks!

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Answer 1

Walter Roberson 2013-5-26

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/77041-renaming-files-without-preserving-their-date-and-creation-time#answer_86716

See the "copy" command of the second Answer in http://stackoverflow.com/questions/51435/windows-version-of-the-unix-touch-command

It is a hack, but an amusing one. It works by saying to copy the file with something appended to it, but leaving what is to be appended empty. The file gets copied and because of the marker to append, the time gets updated.

Or see the last answer in the above link, that points to http://www.funduc.com/fstouch.htm -- note that can be run from the command line as well. It would probably be much faster than the "copy" version.