merge

The merge command will combine input files into a single output file.

$ pdal merge <input> ... <output>

--files, -f    List of filenames.  The last file listed is taken to be
    the output file.

This command provides simple merging of files. It provides no facility for filtering, reprojection, etc. The file type of the input files may be different from one another and different from that of the output file.