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The pcl_ros bag_to_pcd you're using converts all the points cloud messages in a bad file into pcd files. The problem is the bag file you're using doesn't contain any point cloud messages hence why no pcd files are being created.

The bag file does contain depth images, RBG images and infrared images as well as their associated camera_info messages. This is enough to generate the point cloud messages using the depth_image_proc nodelet though. You'll have to start this nodelet with the right topics setup and then play the bag file to generate the point cloud messages you need.

Hope this helps.