module File_Checking

Checks if the file with the name from the first parameter has the properties, listed in the second. The messages parameter is an array of one or all of :exist?, :readable?, :writable?, :directory? or their string-representations, respectively. Returns nil in case of success, otherwise an informative message, describing the first negative test-result.

# File lib/file_checking.rb, line 64
def self.file_check(file, *messages)
  msg = nil
  if(file && messages.respond_to?(:to_ary) && !messages.empty?)
    messages.each do |k|
      if(! k.to_s.end_with?('?'))     
        k = (k.to_s << '?').to_sym
      end
      @log.debug ('checking ' << k.to_s) if @log
      if(msg == nil && File.respond_to?(k) && ! File.send(k, file.to_s))
        msg = "#{file} #{@@text_messages[k.to_sym]}"
      end
    end
  end
  msg
end

Checks if the file with the name from the first parameter has the properties, listed in the second. The messages parameter is an array of one or several of :exist?, :readable?, :writable?, :directory? or their string-representations, respectively. Returns nil in case of success, otherwise an informative message, describing the first negative test-result.

# File lib/file_checking.rb, line 52
def file_check(file, *messages)
  File_Checking.file_check(file, *messages)
end