if(format.equals("SCALAR") && stype != null && !stype.equals("")){
int type = toType(stype);
if(type == 1) { //Boolean
for (int i = 0; i < attr.getNbRead(); i++) {
sendMultiple("read",attr.extractBooleanArray()[i],i);
send("size",attr.getNbRead());
}
}else if (type>=2 && type<=7){ //Number
for (int i = 0; i < attr.getNbRead(); i++) {
sendMultiple("read",attr.extractDoubleArray()[i],i);