importjson: show help text for bad arguments

2009-06-25 16:40:39 -04:00
parent 97fe2a9177
commit 39c11c8283
1 changed files with 9 additions and 1 deletions
--- a/tools/importJSON.cpp
+++ b/tools/importJSON.cpp
@@ -47,6 +47,7 @@ public:
        string filename = getParam( "file" );
        if ( filename.size() == 0 ){
            cerr << "need to specify a file!" << endl;
+            printHelp(cerr);
            return -1;

        }
@@ -59,7 +60,14 @@ public:
            in = &file;
        }

-        string ns = getNS();
+        string ns;
+
+        try {
+            ns = getNS();
+        } catch (...) {
+            printHelp(cerr);
+            return -1;
+        }

        if ( hasParam( "drop" ) ){
            cout << "dropping: " << ns << endl;