gistfile1.txt

db.system.namespaces.find({name :/\.tourism\.\w{2,3}\.\d$/}).forEach(function (obj){
    var name = obj.name.replace(/[^.]*\./i, "");
    /*
    db[name].ensureIndex({checkin : 1, nights : 1, uprice : 1, stars : 1});
    print(db[name].count());
    */
    db[name].find().forEach(function(obj1){
            db.tourism.full.save(obj1);
        }
    );}
);