title: convert .csv with bash tools
body: <p>German version of Origin [TM] saves .csv files very odd. However I have many of these .csv files and want to convert them with a script.</p>
  
  <pre><code>A,B
  Independent variable,comment1 
  "0,4","0,067"
  "0,0","0,08"
  "0,07","0,02"
  "0,09","0,00"
  </code></pre>
  
  <p>should become</p>
  
  <pre><code>A,B
  # Independent variable,comment1 
  0.4,0.067
  0.0,0.08
  0.07,0.02
  0.09,0.00
  </code></pre>
  
  <p>The definition of a comment by Origin seems to be </p>
  
  <blockquote>
    <p>it is the second line</p>
  </blockquote>