null fields:
 &gt; 1 ==&gt; 333 a B cc
 &gt; 2 ==&gt; 2     333
 &gt; 3 ==&gt;
 &gt; 4 ==&gt;
 &gt; 5 ==&gt;   aBcdef   ghijklmnop qrstuvwxyz  1
 &gt;  SIZE:           5
 &gt; --------------------------------------------------------------------------
 &gt;  INPUT LINE:[  aBcdef   ghijklmnop qrstuvwxyz  1:|:2     333|333 a B cc    ]
 &gt;  default delimiters and reverse array order and count null fields:
 &gt; 1 ==&gt;
 &gt; 2 ==&gt;
 &gt; 3 ==&gt;
 &gt; 4 ==&gt; cc
 &gt; 5 ==&gt; B
 &gt; 6 ==&gt; a
 &gt; 7 