On Jun 30, 2016, at 8:17 PM, Graham Cox <graham....@bigpond.com> wrote: > > What still seems a bit unclear is what a file handle “for update” is meant > for, if separate read and write handles are needed.
You can use a single file handle for both reading and writing. It's just that you will have to seek around to read and write where you want. If you just keep writing to the end of the file and reading from the current position, the reads will always get just end-of-file. Regards, Ken _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com