on 2013-02-14 16:47 Godfrey DiGiorgi wrote
This is because iOS does not support external file systems, which
cannot be sandboxed. A sandboxed file system promotes security and
minimizes virus attacks, particularly important in mobile devices.
iOS does support external file systems, just in specific limited ways; one can
copy certain types of files from an SD card _to_ an iOS device (which is the
direction with security implications), but not _from_ the iOS device back to an
SD card (or other storage)
i can't fathom any security explanation for this restriction
at the same time, many iOS apps support bidirectional file transfer over
several network protocols and without the limits on file types that might seem
important for security reasons; this is a such a wide-open vector for problem
files to reach the device that it moots the idea that the SD card restrictions
are for security
I don't use the iPad as a field storage device which needs backup.
i'm not interested in backing up the iPad, per se, but in using it as a tool
for processing and moving image files; this is an natural function it could
perform, reducing need for additional equipment and making it a better
all-around photographers tool
and rather than simply duplicate photos, one could tag & edit down a set of
photos before replicating them
Jailbreaking not only invalidates the warranty, it also opens your iOS
device to a host of attacks and problems.
i am not planning to jailbreak, it only comes to mind as a solution to this gap
in iOS functionality
The simplest way to move image files stored on an iPad to a computer [...]
for the uses i'm suggesting, if i were carrying a computer i wouldn't need to
copy images to the iPad in the first place
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