title: Split text file into multiple files
body: <p>I am having large text file having 1000 abstracts with empty line in between each abstract . I want to split this file into 1000 text files. 
  My file looks like </p>
  
  <pre><code>16503654    Three-dimensional structure of neuropeptide k bound to dodecylphosphocholine micelles.      Neuropeptide K (NPK), an N-terminally extended form of neurokinin A (NKA), represents the most potent and longest lasting vasodepressor and cardiomodulatory tachykinin reported thus far.  
  
  16504520    Computer-aided analysis of the interactions of glutamine synthetase with its inhibitors.        Mechanism of inhibition of glutamine synthetase (EC 6.3.1.2; GS) by phosphinothricin and its analogues was studied in some detail using molecular modeling methods. 
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