Extracting parts from a .ly file?

[Eduardo Vieira]

Hello users, does anybody have a Python or Perl script to extract parts from a
.ly file and save them into a different file?

For example:
I have several files with:

soprano = {

music
 }
alto = {
music
 }
etc.
and would like to get each part in a different file (soprano.ly, alto.ly,
etc.ly) . If someone with programming skills could share such script, I'd be
very thankful. I'm using Windows XP and if it is in a language other than
Python or Perl, it is fine if it works in Windows.

Regards,

Eduardo
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