title: transpose every n lines into a single line
body: <p>I am trying to bring bunch of n lines into a single line,not sure how to do it. Any help is appreciated. </p>
  
  <p>bunch of 11 words then a blank line and then again bunch of ll words and then blank like...so on. </p>
  
  <h1>Example:</h1>
  
  <pre><code>cat filename
  
  hi
  hello
  how
  are
  you
  i
  am
  fine
  how
  are
  you
  
  hi
  how
  is
  she
  doing
  i 
  have
  not 
  herd 
  from
  her
  
  ..
  ..
  </code></pre>
  
  <h1>desired output:</h1>
  
  <pre><code>cat newFile
  
  hi hello how are you i am fine how are you 
  hi how is she doing i have not heard from her 
  ..
  ..
  </code></pre>