That's it, Steve. Protect the universe from what you think isn't to your taste. You know so much more than anyone.
G On Sun, Feb 17, 2013 at 5:52 PM, steve harley <[email protected]> wrote: > on 2013-02-17 8:45 Godfrey DiGiorgi wrote > >> On Sat, Feb 16, 2013 at 11:07 PM, steve harley <[email protected]> wrote: >>> >>> 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) >> >> >> Technically true, I'll give you that, but I meant/intended >> "generalized external file system support by the user." Sorry if I >> didn't type the whole thought out, I thought it was obvious. > > > it's not about what i can assume you know, it's about what others might take > from what you write; i felt like the allusion to security implications of > writing *to* an external filesystem was hand-waving and deserved a response > > >> If you notice, the external file system support you illustrate is only >> read support,and only applies to external file system structures in > >> the DCIM protocol model. > > since it can delete the files that are imported, it's not read-only; > internally, iOS has access to all the filesystem support it needs from it's > OS X ancestry (not that Apple has necessarily ported it all) but whatever is > there has been abstracted to almost nothing by the time it gets to the user > level > > > >> To provide generalized user-level read/write >> support of an external file system would require directory system >> navigation, file and folder creation, file open, file write, and file >> close. > > > generalized support would be gravy; the mashed potatoes would be just the > simple ability to push a set of image files back to an SD card; it would be > a huge win for a minimal field photography setup, and i'm not alone in > understanding the benefits: > > <http://www.robertstech.com/blog/?p=804> > > > >> Apps read and write via wireless access only to their sandboxed local >> file systems. > > > for write support to SD cards, apps would only need to write from their > sandboxed store > > > >> It's much easier to manage authentication and security >> via high-level wireless file exchange protocols. > > > again, i can't fathom how this matters for writing *to* SD cards > > > > > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. -- Godfrey godfreydigiorgi.posterous.com -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
