Emacs Rename Variable

Question

How do I rename a variable in emacs? Eclipse has a neat "rename" refactoring action which lets you rename a variable in a scoping-aware way, which can be much easier to use than doing localized replace-strings, especially if the variable name is a character like e. Does emacs have a similar functionality built in?

Answer 1

New Emacs has M-s . to select symbol under cursor, then you can C-M-% and it will use currently selected symbol to perform replacements. NOTE This is just plain string replacement, not like the IDE 'rename variable' feature.