systematically changing filenames in a directory w/ Ruby

I'd like to grab all the files in a particular directory, and then apply a gsub(/abc/,'z') to all the filenames and essentially resave the files under the new filenames, how do I do that?

I've b开发者_Go百科een looking at File but I don't seem to have any of the parameters that it requires, aka the filename, etc.

M

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File.rename(from, to) along with Dir.entries (or Dir.foreach)?

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Dave's answer is right on. Here's an example:

Dir.glob("*.rb").each do |fname|
  File.rename(fname, fname.gsub(/\.rb/,".rbb"))
end

Dir.glob allows you to select files based on some given criteria, but like Dave says, you could also use Dir.entriesor Dir.foreach