On Jan 26, 2007, at 8:00 AM, Roger S. Cohen wrote:
Both open on the Windows XP PC. The single PDF file, when
unzipped, opens
by itself. But the zipped folder, when unzipped, contains all
sorts of
files and folders extraneous to Windows XP. Even I, knowing the
contents,
had some trouble figuring out which were the real folders and files
inside
the Zip file.
That is because an OS X folder usual contains other hidden files used
by the system (like a .DS_Store file). When you zip the whole folder,
OS X goes ahead and includes all the extra files as well, since it
has no idea what you want and don't want.
You then move that to XP and unzip it, and all those hidden files are
now visible because XP doesn't know that they should be hidden.
When you zip individual files, OS X zips just those files as requested.
BTW: this same thing can happen in Windows as well. Windows can have
hidden system files in a folder, and if you zip that folder in
windows, it can take those hidden files with it, which will then be
visible when unzipped on another platform.
-chris
<www.mythtech.net>
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