[Lilypond-auto] Issue 3510 in lilypond: Convert-ly cmdline redirection fails under Windows 7

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Scripts OpSys-Windows

New issue 3510 by address@hidden: Convert-ly cmdline redirection  
fails under Windows 7
http://code.google.com/p/lilypond/issues/detail?id=3510

Reported by Eluze:
Although AU suggests that convert-ly output can be redirected to preserve  
the input file, python throws an error under Windows 7:

Traceback (most recent call last):
  File "C:\Program Files (x86)\LilyPond\usr\bin\convert-ly.py", line 386,  
in ?
    main ()
  File "C:\Program Files (x86)\LilyPond\usr\bin\convert-ly.py", line 367,  
in main
    errors += do_one_file (f)
  File "C:\Program Files (x86)\LilyPond\usr\bin\convert-ly.py", line 320,  
in do_one_file
    outfile.close()
IOError: [Errno 9] Bad file descriptor

The issue may result from code near line 308-322 in convert-ly, where  
outfile becomes an alias for stdout. DAK suggests that convert-ly should  
only close files it created. The issue seems to be with Windows only.

Original discussion at  
http://lilypond.1069038.n5.nabble.com/convert-ly-from-the-commandline-under-windows-corrupted-td149284.html

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