is.close();
} catch (Exception e1) {
// Ignore
}
for (Enumeration<?> e = props.propertyNames(); e.hasMoreElements();) {
String name = (String) e.nextElement();
if (name.startsWith(OVERRIDE_PREFIX)) {
String overrideName = name.substring(OVERRIDE_PREFIX.length());
String value = props.getProperty(name);
System.setProperty(overrideName, substVars(value, name, null, props));