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  &lt;input_file&gt;  -- name of the input eop file in either eopjmg format
                   (produced by snoop) or in eopb format (produced by getpar)
                   or in IERS format.
 
  &lt;output_file&gt; -- name of the output eop file.
 
  &lt;status_file&gt; -- name of the status file. If upon finishing eopkal this
                   file has a line "EOPKAL: finished at &lt;date&gt;" then it
                   means that eopkal terminated successfully.
 
  Othe