- using
pkgutil
# list all your installed packages
pkgutil --pkgs
# show your package info
pkgutil --pkg-info | [ INFO]: pub1 a boost::shared_ptr<sensor_msgs::PointCloud2_<std::allocator<void> > > | |
| [ INFO]: pub2 b boost::shared_ptr<sensor_msgs::PointCloud2_<boost::fast_pool_allocator<void, boost::default_user_allocator_new_delete, std::mutex, 32u, 0u> > > | |
| [ INFO]: sub a boost::shared_ptr<sensor_msgs::PointCloud2_<std::allocator<void> > const> | |
| [ INFO]: Received message a is equal to p | |
| [ INFO]: sub b boost::shared_ptr<sensor_msgs::PointCloud2_<std::allocator<void> > const> | |
| [ INFO]: Received message b is a new instance | |
| [ WARN]: length PC2 with frame b | |
| [ WARN]: write PC2 with frame b | |
| [ WARN]: read PointCloud2 with frame b |