Filenames containing '@' symbol

Hello,

Is it possible to manage from command line files, containing '@'
character in their names?
svn tries to handle filename part after @ as revision number and
therefore reports error. It is possible to add/update such files, but
not possible to edit properties. (commands proplist, propget, ...).
This problem appears with linux and windows clients.
BTW, TortoiseSVN can manage such file somehow.

-- 
Best Regards,
Sviatoslav Sviridov
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