Changeset 625

Timestamp:

1999-09-24T12:33:06+12:00 (25 years ago)

Author:

sjboddie

Message:

added -append option

File:

• trunk/gsdl/src/txt2db/txt2db.cpp (modified) (2 diffs)

trunk/gsdl/src/txt2db/txt2db.cpp

@@ -49 +49 @@
 
 void print_usage (char *program_name) {
-  cerr << "usage: " << program_name << " database-name\n\n";
+  cerr << "usage: " << program_name << " [options] database-name\n\n";
+  cerr << "options:\n";
+  cerr << " -append        append to existing database\n\n";
 }
 
@@ -61 +63 @@
   text_t tmp;
   int num_dashes = 0;
-  
+
   // sanity check
-  if (argc != 2) {
+  if (argc != 2 && argc != 3) {
     print_usage (argv[0]);
     exit (0);
   }
   
+  char *dbname;
+  int append = 0;
+  if (argc == 3) {
+    if (strcmp (argv[1], "-append") == 0) {
+      append = 1;
+      dbname = argv[2];
+    } else {
+      cerr << argv[1] << " is not a valid option.\n\n";
+      print_usage (argv[0]);
+      exit (0);
+    }
+  } else dbname = argv[1];
+
+  
   // open the database
-  dbf = gdbm_open  (argv[1], block_size, GDBM_NEWDB | GDBM_FAST, 00664, NULL);
+  // note that GDBM_FAST is obsolete on newer versions of gdbm
+  int read_write = GDBM_NEWDB | GDBM_FAST;
+  if (append) read_write = GDBM_WRCREAT | GDBM_FAST;
+  
+  dbf = gdbm_open  (dbname, block_size, read_write, 00664, NULL);
   if (dbf == NULL) {
-    cerr << "couldn't create " << argv[1] << "\n";
+    cerr << "couldn't create " << dbname << "\n";
     exit (0);
   }