1 files changed, 8 insertions, 2 deletions
diff --git a/booki.c b/booki.c
index 28cb2c3..d2a6262 100644
--- a/booki.c
+++ b/booki.c
@@ -30,7 +30,8 @@ static const DataField BOOK_FIELDS[] = {
     { "published", booki_number },
     { "language", booki_string },
     { "translator", booki_string },
-    { "on", booki_string }
+    { "on", booki_string },
+    { "id", booki_number }
 };
 
 #define BOOK_FIELDS_COUNT (sizeof(BOOK_FIELDS) / sizeof(BOOK_FIELDS[0]))
@@ -432,8 +433,10 @@ int get_number_field(BOOK book, char* name) {
         return book.pages;
     else if (ATTR_MATCH(name, "published"))
         return book.published;
+    else if (ATTR_MATCH(name, "id"))
+        return book.id;
     else
-        return -1;
+        return 0;
 }
 
 void print_book(BOOK book, bool all_fields) {
@@ -461,6 +464,9 @@ void print_book(BOOK book, bool all_fields) {
                 printf(esfmt, datafield.name, size, str);
             // number fields
             } else if (datafield.type == booki_number) {
+                // don't print the ID
+                if (ATTR_MATCH(datafield.name, "id"))
+                    continue;
                 number_field = get_number_field(book, datafield.name);
                 if (!number_field)
                     continue;