Re: [Denemo-devel] data loss disaster (imminent)

[Bric]

On 01/02/2016 04:56 AM, Richard Shann wrote:
> On Fri, 2016-01-01 at 14:41 -0500, Bric wrote:
> > On 01/01/2016 02:23 PM, Bric wrote:
> > > i have a denemo file that won't open with any version.  The recent
> > > 2.0.1 binary, my old 1.2.4, my local 2.0.1 build.  Same opening
> > > "failed" message in all three.
> > >
> > > On the command line i see "opening file <path to file>.denemo"
> > > success: 1
> > >
> > > ironically
> > >
> > > I still have the *.denemo file, but I can't tell what's wrong with it,
> > > looking at the code, and no explanatory error messages available.
> > >
> > > I stand to lose many hours of work here.
> > >
> > > What happened was: I was editing about 80 bars of on-staff score,
> > > adding chord symbols; denemo crashed, then when i reopened it, i was
> > > counting on auto-save, which is on for me (every 5 seconds, i think).
> > > I opted to restore from auto-save, and that loaded an empty file.
> > >
> > >
> > > I closed the empty file without saving, and tried to open the *.denemo
> > > file, and the open action fails.  I am looking at the XML, it seems OK
> > > at cursory glance, and I don't know why it's being rejected.
> > OK, i deleted my last inserted chord in the XML file:
> >
> >       <fakechord>dis:m7</fakechord>
> >
> > After that, the file opened, and I continued to insert the chords,
> > including the above chord, which now appears in the XML file exactly as
> > above.
> >
> > Maybe a cosmic-ray of a stray byte in the file?
> the stray byte would be more likely in the memory/disk cache as you
> didn't intend to remove a stray byte, you removed an entirely innocent
> field, and that could have perturbed your file off of a bad patch of
> disk or some such.
> If you still have the file in the un-openable form I would be very
> interested to see it (confidentiality respected!). (If you *do* still
> have it, try and make a copy and open that...).

In my panic to save hours of work i didn't think to back up the bad file 
- rushed to get rid of the badness.

I will try to regenerate a bad version like you suggested.


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