title: how can i delete the blank lines in read.fwf?
body: <pre><code>raw&lt;-"                        
  + x y z w a s d f g h     
  + 1 2 3 4 5               
  + 1 2 3 4 5 6 7 8 9 10    
  +     1 2             "    
  raw    
  [1] "                    \nx y z w a s d f g h \n1 2 3 4 5           \n1 2 3 4 5 6 7 8 9 10\n    1 2             "    
  read.fwf(textConnection(raw),widths=c(rep(2,10)))    
    V1 V2 V3 V4 V5 V6 V7 V8 V9 V10    
  1                                   
  2 x  y  z  w  a  s  d  f  g   h     
  3 1  2  3  4  5                     
  4 1  2  3  4  5  6  7  8  9   10    
  5       1  2                        
  read.fwf(textConnection(raw),widths=c(rep(2,10)),skip=1)    
     V1 V2 V3 V4 V5 V6 V7 V8 V9 V10    
  1 x  y  z  w  a  s  d  f  g   h     
  2 1  2  3  4  5                     
  3 1  2  3  4  5  6  7  8  9   10    
  4       1  2       
  </code></pre>
  
  <p>Is there another way to get right format data with read.fwf or read.table? 
  can i get the same result without <code>skip=1</code> in read.fwf  or with <code>read.table</code>?            </p>