Rename to txt file - file not found in list,but in directory

I am trying to rename a file in my directory. I can see this file in
directory. It has an extention of .dep, when I attempt to rename it,
nothing gets renamed. When I output all filenames from the directory
this particular file containing .dep is not on the list. I can see it is
there, however this script doesn’t pull it. Do you know what this might
mean?

require ‘fileutils’
require ‘find’
require ‘ftools’
require ‘enumerator’

#locate new .dep file and rename to txt file for later modification

Dir.entries(“C:/Diff”).each do |filename|
if File.extname("*.dep") then
puts filename
puts File.ftype(“2227_12112008090607519.dep”) #<–can’t find this
File.rename(".dep", “orgDep.txt”) #<–doesn’t find any file with
.dep
end
end
end

Mmcolli00 Mom wrote:

require ‘enumerator’
end
end

require ‘fileutils’
require ‘find’
require ‘ftools’
require ‘enumerator’

#locate new .dep file and rename to txt file for later modification

Dir.entries("/tmp").each do |filename|
if File.extname(filename).match(".dep") then
puts “#{filename}”
puts File.ftype(“2227_12112008090607519.dep”) #<–can’t find
this
File.rename(filename, “orgDep.txt”) #<–doesn’t find any file
with .dep
end
end