#include "dist.h"

main(int argc,char **argv)
{
  SAY_HI_FIRST ;
  CITATION ;
  default_initialization();
  {
    char * fn = STRG_AFTER_OPT_W_ENV("i","-");
    file_records * f;
    if (fn[0] == '-') {
      f = open_pdb_stdin(0);
    } else {
      f = open_and_read_pdb(fn,0);
    }
    {
      char *outputfile = STRG_AFTER_OPT_W_ENV("o",NULL);
      FILE *ff = outputfile == NULL ? stdout : fopen(outputfile, "w") ;
      calculate_surface(f,DoubleAfterOption(argc,argv,"probe",1.4));
      write_pdb_file(ff,f,IO_ONLY_SELECTED|IO_SURFACE);
    }
  }
}