--- loncom/homework/CAPA-converter/convert.c	2001/05/02 21:47:51	1.2
+++ loncom/homework/CAPA-converter/convert.c	2001/12/04 15:17:57	1.4
@@ -1,3 +1,30 @@
+/* The LearningOnline Network with CAPA
+ * Main convert code, option parsing and startup 
+ * $Id: convert.c,v 1.4 2001/12/04 15:17:57 albertel Exp $
+ *
+ * Copyright Michigan State University Board of Trustees
+ *
+ * This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+ *
+ * LON-CAPA is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * LON-CAPA is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LON-CAPA; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * /home/httpd/html/adm/gpl.txt
+ *
+ * http://www.lon-capa.org/
+ */
+
 /* ======================================================================== */
 /*       Feb. 10 1997   Isaac Tsai                                          */
 /* ======================================================================== */
@@ -10,14 +37,17 @@
 #include <time.h>
 #include <math.h>
 #include <string.h>
+#include <unistd.h>
 
+extern char *optarg;
+extern int optind, opterr, optout;
 
 #define   YES    1
 
 #include "capaCommon.h"
 
 char    *progname;
-
+char *import_prefix="/res/capa";
 
 void
 print_answer(FILE *o_fp,int ans_cnt,char *ans,char *lower,char *upper,char *unit)
@@ -35,27 +65,52 @@ void print_question (FILE *o_fp,char *qu
   fprintf(o_fp,"BQES:\n%s\nEQES:\n",question);
 }
 
-int main (int argc, char  **argv) 
+int get_options ( int argc, char **argv, char ** filename)
+{
+  int opt;
+  /*opterr=0;*/
+  while ((opt=getopt(argc,argv,"i:f:"))!=-1) {
+    switch (opt) {
+    case 'i': 
+      import_prefix=optarg;
+      break;
+    case 'f': 
+      *filename=optarg;
+      break;
+    case '?':
+      return -1;
+      break;
+    }
+  }
+  return 0;
+}
+
+int main (int argc, char **argv) 
 {
   extern  int        Parsemode_f;
-  extern  int        managermode;
 
-  Problem_t  *first_prob,*p;
-  int         q_cnt, num_answers, result, setIdx = 1, q_idx;
+  /* unused  
+  extern  int        managermode;
+  int         num_answers, q_idx;
   char        lower[ANSWER_STRING_LENG], upper[ANSWER_STRING_LENG];
   int         StartSet = 1, EndSet = 1;
   char        tmp_str[ANSWER_STRING_LENG];
   double      tmp_ans;
   T_student   a_student;
+  Problem_t  *p;
+  */
+  Problem_t  *first_prob;
+  int result, setIdx = 1, q_cnt;
+  char *      filename=NULL;
 
   Parsemode_f=ASCII_MODE;
-  if ( argc > 3 || argc < 2 ) {
-    printf("USAGE: %s filename\n",
-	   argv[0]);
+  
+  if ( get_options(argc,argv,&filename) == -1 || filename==NULL ) {
+    printf("USAGE: %s [-i prefix] -f filename\n",argv[0]);
     exit(-1);
   }
-  
-  result = capa_parse(setIdx, &first_prob, argv[1] ,&q_cnt,NULL);
+
+  result = capa_parse(setIdx, &first_prob, filename ,&q_cnt,NULL);
 
   return (0);
 }