module Rake::FileUtilsExt

# original value when code is done.
# temporarily to _v_. Return to the
verbose(v) { code } # Execute code with the verbose flag set
verbose(v) # set the verbose flag to _v_.
# verbose flag
verbose # return the current value of the
Examples:

echoed to standard output.
utilities. If verbose is true, then the utility method is
Get/set the verbose flag controlling output from the FileUtils

def verbose(value=nil)
  oldvalue = FileUtilsExt.verbose_flag
  FileUtilsExt.verbose_flag = value unless value.nil?
  if block_given?
    begin
      yield
    ensure
      FileUtilsExt.verbose_flag = oldvalue
    end
  end
  FileUtilsExt.verbose_flag
end