Testing: Padded count in filter

tests/grib_filter.sh

@@ -280,6 +280,26 @@ set -e
 grep -q "ECCODES ERROR.*Number is too large" $tempOut
 
 
+echo "Padded count for filenames"
+# -----------------------------------------
+input=${data_dir}/tigge_af_ecmwf.grib2
+tempDir=temp.${label}.dir
+rm -fr $tempDir
+mkdir -p $tempDir
+cd $tempDir
+cat >$tempFilt <<EOF
+  meta count_padded sprintf("%.2d", count);
+  write "out__[count_padded].grib";
+EOF
+${tools_dir}/grib_filter $tempFilt $input
+[ -f out__01.grib ]
+[ -f out__02.grib ]
+[ -f out__39.grib ]
+[ -f out__40.grib ]
+cd ..
+rm -rf $tempDir
+
+
 # Clean up
 rm -f $tempGrib $tempFilt $tempOut $tempRef
 rm -f ${data_dir}/formatint.rules ${data_dir}/binop.rules