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  Create autcln.cmd.prefit and autcln.cmd.postfit from a specified autcln.cmd basefile
  
  USAGE :    sh_autedit -base <file> -postfit -avedit -autecl <options> 
  
          <file> autcln.cmd base file containing pre and post fit editing commands
  
          <options> input options to program autecl 
  
  Example :   sh_autedit -base autcln.cmd -postfit -avedit -autecl arcout.123 123 Y 30 
  
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