Testing: add test for C ensemble index example

examples/C/CMakeLists.txt

@@ -70,6 +70,7 @@ list( APPEND tests
    grib_precision
    grib_clone
    grib_copy_message
+   grib_ensemble_index
    grib_set_pv
    grib_set_bitmap
    grib_list

examples/C/grib_ensemble_index.c

@@ -30,9 +30,11 @@ int main(int argc, char * argv[])
     double min=1e13,max=-1e13,avg=0;
     codes_index* index;
     codes_handle* h=NULL;
+    
+    if (argc<2) return 1;
 
     /* create index of file contents for paramId and number */
-    index = codes_index_new_from_file(0, "eps", "paramId,number",&ret);
+    index = codes_index_new_from_file(0, argv[1], "paramId,number",&ret);
     CODES_CHECK(ret,0);
 
     /* get size of "paramId" list */

examples/C/grib_ensemble_index.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+# Copyright 2005-2016 ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
+# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+
+. ./include.sh
+
+input="../../data/index.grib"
+${examples_dir}c_grib_ensemble_index $input

examples/python/grib_index.sh

@@ -2,6 +2,5 @@
 
 . ./include.sh
 
-REDIRECT=/dev/null
-$PYTHON $examples_src/grib_index.py 2> $REDIRECT > $REDIRECT
-rm my.idx || true
+$PYTHON $examples_src/grib_index.py
+rm -f my.idx