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python emacs / yasnippet-0.6.1c / snippets / text-mode / ruby-mode / cls

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#name : class ... end
#contributor : hitesh <hitesh.jasani@gmail.com>
#group : definitions
# --
class ${1:`(let ((fn (capitalize (file-name-nondirectory
                                 (file-name-sans-extension
				 (or (buffer-file-name)
				     (buffer-name (current-buffer))))))))
           (cond
             ((string-match "_" fn) (replace-match "" nil nil fn))
              (t fn)))`}
  $0
end