Fixed [was Re: Lilypond is not generating a pdf file]

[Peter Horan]

Hi Aaron

> Message: 7
> Date: Mon, 28 May 2018 06:57:28 -0700
> From: Aaron Hill <address@hidden>
> To: address@hidden
> Subject: Re: Lilypond is not generating a pdf file
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=US-ASCII; format=flowed
>
> On 2018-05-27 01:07, Peter Horan wrote:
> > I have previously used Lilypond on an older machine using Vista.
> >
> > This machine is new, running Windows 10.
> >
> > After installation, dropping test.ly onto the Lilypond short cut
> > creates a test.log file but no pdf file as expected.  It looks as
> > though Lilypond is silently quitting before drawing everything.
>
> Hi Peter,
>
> Which version of LilyPond did you install?  Also, if you run "winver",
> what exact build of the OS are you using?

LilyPond v. 2.18.2
Windows Version 1803 (OS Build 17134.48)
>
> The closest similar behavior I have seen to this is when I am trying to
> regenerate a PDF but that PDF is currently open in another program.
> Then due to a sharing violation, LilyPond is unable to write to the
> file.  However, in your case, you are never getting a PDF at all, but
> that could still imply the target folder might be an invalid
> destination.

No file was open.

> NOTE: I never use drag-and-drop method as you mentioned.  LilyPond
> installs a default shell command for .ly files, so you can either just
> double-click them or right-click and select "Generate".  There shouldn't
> really be any major difference in behavior here, but I thought I would
> mention this for completeness.

Now this worked!

I also tried dropping the .ly file onto the actual executable file, and that 
also worked. But, where the log file went I don't know.

> If you want to debug further, I might suggest running Process Monitor
> [1] from Sysinternals.  It will capture a lot of data, but you can
> filter it down to just the relevant file I/O.  Most importantly, what
> you are looking for is to see if LilyPond (or one of its child
> processes) is actually attempting to open a PDF for write, and if so
> what error may have occurred.
>
> [1]: https://docs.microsoft.com/en-us/sysinternals/downloads/procmon

I have used procmon, so I may investigate if I get time.

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