in reply to Age of dir in UNIX

You should also be aware of this tidbit from man stat:
Not all of the Linux filesystems implement all of the time fields.
Some file system types allow mounting in such a way that file accesses do not cause an update of the st_atime field. (See 'noatime' in mount(8).)

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Re^2: Age of dir in UNIX
by Anonymous Monk on Dec 04, 2013 at 20:42 UTC
    He's trying to access the mtime, not the atime. (mtime updates on every new/deleted/renamed file, AFAIK)
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