Script removing material_properties from prj-files.

xml/removeMaterialProperty.sh

+#!/usr/bin/env bash
+
+set -x
+
+# delete fluid
+xmlstarlet ed --delete "//OpenGeoSysProject/processes/process/material_property" $1 > /tmp/removedMaterialProperty.prj
+# format the result file
+xmlstarlet fo -s 4 /tmp/removedMaterialProperty.prj > ${1}