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Re: Testers wanted

From: Knut Petersen
Subject: Re: Testers wanted
Date: Wed, 14 Jul 2021 18:02:42 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2

On 14.07.21 16:09, Knute Snortum wrote:
I had problems with a basic ly file.  It looks like the program is
trying to open /dev/null and that doesn't work on a windows machine.

lilypond --pdf -dbackend=cairo
GNU LilyPond 2.23.4
Processing `'
Interpreting music...[8][16][24][32][40]
Preprocessing graphical objects...
Interpreting music...
MIDI output to `bach_first_lesson_minuet.mid'...
Finding the ideal number of pages...
Fitting music on 1 page...
Drawing systems...C:/Program Files
In procedure open-file in _expression_ (open-file "/dev/null" "w"):
C:/Program Files
No such file or directory: "/dev/null"

Please change "/dev/null" in line 262 of  C:/Program Files(x86)/LilyPond-2.23.4/usr/share/lilypond/current/scm/lily/framework-cairo.scm to the equivalent of /dev/null on windows. What name is used for the NullDevice in the supported Windows versions? \Devices\Null? Null? 

Background: ly:make-paper-outputter assumes that every backend will need an output file,  I thought choosing /dev/null would be ok as (most of) the output files are  created, written and closed directly by the cairo library.

Also, just a note, my windows system tried everything it could not to
let me download and run the LilyPond file.  Google Drive, Google
Chrome, Windows, and Norton all tried to stop the process.

The glory of a hero rises with the strength of his enemies ;-))


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