def filestring(file, size = 8192)
      return unless file
      return file unless file.is_a?(String) && File.file?(file) && File.size(file) <= size
      File.read(file)
    end
def filestring(file, size = 8192)
      return unless file
      return file unless file.is_a?(String) && File.file?(file) && File.size(file) <= size
      File.read(file)
    end
def filestring ( file , size = 8192 ) return unless file return file unless file . is_a? ( String ) && File . file? ( file ) && File . size ( file ) <= size File . read ( file ) end
=> Check if a string is an existing file, and return it's content
= > Check if a string is an existing file and return it s content