void get_arg(argc,argv)             /* !! Process command line */
int argc; char *argv[];
	{
	register int i, j;
	char *ch;
	int nfiles;
	int more;
	static char head[] = "\
PREPROC: %s\n";

	static char help[] = "\n\
	pre [-options ...] input_filename \n\n\
Options (defaults):\n\
 c  = use data check routine\n\
 d  = increment debug print level (0=none)\n\
 e  = echo input file (false)\n\
 h  = this help screen\n\
 r  = show all reports (standard reports)\n\ ";

	printf(head,codeVers);
	nfiles = 0;
	if (argc == 1) { printf(help); exit(0); }
	for(i=1; i<argc; ++i)
		{
		ch	= argv[i];
		if (*ch == '-')
			{
			for(++ch, more = TRUE; more && *ch; ++ch)
				switch (*ch) {
				case 'c':   ++check;							break;
				case 'd': 	++debug; 							break;
				case 'e': 	echo=TRUE;							break;
				case 'h':	printf(help); 						exit(0);
				case 'r': 	reports = 1;						break;
				default:  printf("Unknown option '%c'\n",*ch);
				}
			}
		else if (++nfiles <= 1) filename[nfiles-1] = argv[i];
		}

	isRegression = (model == REGRESSION);
	run_report();
	}

void transParse(code,canCombine)    /* !! Extract transformation choices */
char *code;	     /* Pointer to tranformation code string */
int	 canCombine; /* T/F: transforms are combinable? */
	{
	register int	i, foundCode;

	numTransforms	= sizeof(transform)/sizeof(struct TransformDef);

	for (; *code ; ++code)
		{
		for (i=0,foundCode=FALSE; i < numTransforms; ++i)
			{
			if (*code == transform[i].code)
				{
				if (canCombine)
					{
					transform[i].makeX 	= TRUE;
					++colXT.num;
					}
				else {
					transform[i].makeT 	= TRUE;
					++colT.num;
					}
				foundCode	= TRUE;
				break;
				}
			}
		if (!foundCode) printf("  Unknown transform code '%c'\n",*code);
		}
	}

double get_num(ch)                  /* !! extract double from option item */
char **ch;
	{
	double val;

	++(*ch);
	if (0==strlen(*ch)) return 0.0;
	sscanf(*ch,"%lf",&val);
	*(*ch+1) = 0;
	return val;
	}