From: Peter Bailey <pbailey@...>
Date: 2006-06-23T03:22:55+09:00
Subject: Why is "nil" being included in an array?

I'm trying to simply lower-case all of the files in a directory. It 
doesn't work because RUBY complains about not being able to convert 
"nil" to a string. Why in the world is it even including "nil" in my 
array?

files = Dir.glob('*.pdf')
  files.each do |file|
  File.rename(file, file.downcase!)
end

It says:
"...can't convert nil into String (Type error)..."

Thanks,
Peter

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