replacement with variable

[Bryan W. Lepore]

Is there a way to get _emacs_ to replace a field with a variable, such
that it is incremented by 1 each time?  The example is...

file.aa.foo >>> emacs >>> file.1.foo   (or file.01.foo )
file.bb.foo >>> emacs >>> file.2.foo   (or file.02.foo )
file.cc.foo >>> emacs >>> file.3.foo   (or file.03.foo )
....
file.nn.foo >>> emacs >>> file.10.foo

-Bryan

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Bryan Lepore
Brandeis University
Petsko/Ringe Laboratory
Rosenstiel Basic Medical Sciences Research Center
Floor Six
MS029
Waltham, MA 02454
Lab: 781-736-4925
Fax: 781-736-2405
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