7.0.0 dp 5

Phil Jimmieson phil at liverpool.ac.uk
Wed May 28 10:07:27 EDT 2014

Currently, if you save a stack with version 7 of LiveCode and try and open it with version 6.6.1 (for example) you get the message:

"Unable to open stack: Stack is corrupted, check for ~ backup file."

Could Rev not get LiveCode to read the version number off the stack when it tried to open it and report back a different message if you're trying to open a stack that appears to come from a later, incompatible version of LiveCode. This is especially important when we have so many versions of LiveCode that are current and it is easy to make a mistake and save the stack with a test version. Of course they can't retro-fit version 5 et al, but all the currently in progress versions and any future versions could have this feature.  The message you get could be something along the lines of:

"This stack cannot be opened by this version of LiveCode. It was most recently saved by a version of LiveCode newer than this one."  

That would help people figure out what the problem was…

What do people think?

On 28 May 2014, at 14:54, Richard Gaskin <ambassador at fourthworld.com> wrote:

> Paul Foraker wrote:
>> When I opened a couple of large stacks I use every day in the "stable"
>> version of 7.0 CE, both stacks got corrupted on the first save. This
>> happened twice in a row, so I've now gone back to 6.5.2.
> I had a client recently refer to a "stable" build of 7.0, but everything I can find refers to it as "DP", with "Stable" used only for final versions, the most recent of which is 6.6.1:
> <http://downloads.livecode.com/livecode/>
> Where are people seeing any pre-release build labeled "stable"?
> Stack file corruption has historically been extremely rare, esp. compared to other xTalks - I'd like to see it stay that way.  I hope anyone experience what appears to be corruption has filed a bug report so the team can be alerted to this most critical issue.
> --
> Richard Gaskin
> Fourth World
> LiveCode training and consulting: http://www.fourthworld.com
> Webzine for LiveCode developers: http://www.LiveCodeJournal.com
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Phil Jimmieson  phil at liverpool.ac.uk  (UK) 0151 795 4236
Computer Science Dept., Liverpool University, Ashton Building, Ashton Street
Liverpool L69 3BX              http://www.csc.liv.ac.uk/~phil/
I used to sit on a special medical board... ...but now I use this ointment.

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