Comet parameter: output_percolatorfile
         
         - Controls whether to output search results in a Percolator's
         tab-delimited input format.
         
- Valid values are 0 (do not output) or 1 (output).
         
- The default value is "0" if this parameter is missing.
         
- The created file will have a ".pin" file extension.
         
- This parameter replaces the now defunct "output_pinxmlfile".
         
Example:
         
output_percolatorfile = 0
         
output_percolatorfile = 1