plesk bin transvhosts.pl --help
Utility to transfer vhosts content from HTTPD_VHOSTS_D directory to new place.
Usage:
--dest-dir <path> Destination path. Path to new vhosts directory.
Example: /path/to/new/vhosts.
If directory does not exist it will be created.
--correct-scripts Changes user scripts.
Old vhost path is replaced to new path in content of all files.