Hello Le Saturday 7 July 2012 02:43:17, vous avez écrit : > I was wondering if, given that CM can understand config files, if it can be > used to compare 2 files. > The use case I'm thinking of is debian/copyright. There is a CDBS routine > that tries to collect copyright information for the whole package, file by > file. It would be interesting if cme could compare the two files to see > what differences apply. Also, it could be applied at different versions of > the autogenerated file (say, for different upstream releases), to identify > missing copyright notices. > > Does that sound like something that cme could do? Sort of. I was tempted to use the fusefs interface  to mount 2 directories matching copyright contents and use tkdiff to compare. Unfortunately, fuse barfs on the file entries containing '/' (which happens quite often).: $ ll test-cop/Files/ ls: impossible d'accéder à test-cop/Files/debian/*: Aucun fichier ou dossier de ce type ls: impossible d'accéder à test-cop/Files/examples/lcdproc/LCDd.conf: Aucun fichier ou dossier de ce type ls: impossible d'accéder à test-cop/Files/lib/Config/Model/models/LCDd*: Aucun fichier ou dossier de ce type total 512 drwxr-xr-x 1 domi domi 3 juil. 7 20:07 * ?????????? ? ? ? ? ? debian/* ?????????? ? ? ? ? ? examples/lcdproc/LCDd.conf ?????????? ? ? ? ? ? lib/Config/Model/models/LCDd* Another possibility is to dump debian-copyright content into the internal tree structure format: $ cme dump dpkg-copyright Upstream-Name=Config-Model Upstream-Contact="Dominique Dumont <email@example.com>" Source=http://search.cpan.org/dist/Config-Model/ Files:"*" Copyright="2005-2012, Dominique Dumont <firstname.lastname@example.org> 2005-2011, Krzysztof Tyszecki" License short_name=LGPL-2.1+ - - [etc...] There one major caveat: Since cme keeps the order of the Files entries, you may have different dump content just because the order of the Files entries are different. That said, fixing fuse interface is quite easy: just replace '/' with something else ( may be '\' ? ;-) ) Another possibility would be to create a new cme command like to dump a diff like string: cme-diff dpkg dir1 dir2 but it would be more work (patches welcome) All the best Dominique  Here's a similar fuse interface example: http://ddumont.wordpress.com/2011/01/30/how-to-configure-openssh-through-a-virtual-filesystem/
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