title: find and replace shell script to create a usable csv file
body: <p>I have a big problem. I have taken many measurements with a measuring program. I get several * .SP8 files which are nothing more than text files. With Automator I could rename all in *.csv.</p>
  
  <p>I now need a script that clears out my first 29 rows of the content. Then the script must replace all spaces with a semicolon.</p>
  
  <p>The script must find all csv-files in a specified folder within all subfolders.</p>
  
  <p>Ideally it would find the first space in one line and replaces it with a semicolon and clears the rest in the line.</p>
  
  <p>The File looks like:</p>
  
  <pre><code>Test
  22.01.2016
  ..
  Tester
  20160122_BM_BLANK
  
  User
  
  20160122_BM_BLANK
  Text
  @@6.000 5.350   1.000   12.000  8.500   1020.000    60.000  940.000 4.773   0.000   1.500   14.800  0.000   100.000 0.000   9.000   0
  @@SWB 533 [blank]
  blank
  SK 999100.10
  no
  
  
  100Nm.SEN
  100 Nm 
  Last 01/2013
  SN: "HBM,Spider8-55/01,08231,P32"
  
  
  
  
  
  
  1200
  7200
  0   -0.015238   0   -0.0465 0
  0   -0.015238   0   -0.0465 0.000833
  0   -0.025  0   -0.0465 0.001667
  ... following 6000 lines of code like this ...
  384.5   -0.025  0   -0.0465 5.9975
  384.5   -0.025  0   -0.0465 5.998333
  384.5   -0.025  0   -0.0465 5.999166
  
  End
  </code></pre>
  
  <p>This should be turned into this:</p>
  
  <pre><code>0;-0.015238
  0;-0.015238
  0;-0.025
  ... following 6000 lines of code like this ...
  384.5;-0.025
  384.5;-0.025
  384.5;-0.025
  </code></pre>
  
  <p>The target is to load this in EXCEL and create a graph</p>