title: read txt file with two lines for each case; with R
body: <p>how to read from R a .txt file with two lines for each case. For example a file like [ <a href="http://www.amstat.org/publications/jse/datasets/93cars.dat.txt" rel="nofollow">http://www.amstat.org/publications/jse/datasets/93cars.dat.txt</a> ]
  Please help.
  CL</p>