thumbnail mtime, ctime

Thiago Macieira thiago at
Thu Mar 27 12:36:32 PDT 2008

Dr. Michael J. Chudobiak wrote:
>> Why should you re-thumbnail an image after it changed permissions? The
>> only reason I can see for that is if was readable and no isn't any
>> longer.
>Or your navigate to a folder, realize that you don't have read
>permission, so you fix it. But the thumbnail doesn't regenerate...

I don't see that as a valid use-case. If the file can't be read, there is 
no thumbnail. So what would you be storing in the thumbnail cache? Since 
there is no cached thumbnail, there's no problem in knowing that you have 
to generate it when the file is readable.

Unless the thumbnail spec allows for a negative cache -- I don't know the 

If you want the thumbnail to be generated (for the first time) the moment 
you change permissions, that's a separate issue. That's an issue of the 
file manager that you're using to watch the files for permission changes.

  Thiago Macieira  -  thiago (AT) - thiago (AT)
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