*If it writes an empty .cdx file it means wbm doesn't have that.
Also, if it writes a non-empty file, that doesn't necessarily mean that wbm has it. For example, it might redirect to another URL but then doesn't have the URL that it redirects to.
Already saw some blank files: >...:/z8/put/gd/from_desumlp_drive.google.com_search/0folder/1AowOdwFzlbRk0FVZsRGRYe2hyKhzo2h3_files_cdx$ ls -liahS >[...] >925805 -rw-rw-r-- 1 ubuntu ubuntu 0 Dec 6 22:28 16d1H92TaHGN6MxxDccawgjnOMRaJBjcl.cdx >925960 -rw-rw-r-- 1 ubuntu ubuntu 0 Dec 6 22:29 19SVMJ1lGgzOf0PKTEEhcmyyjfwo6DDJC.cdx >925954 -rw-rw-r-- 1 ubuntu ubuntu 0 Dec 6 22:29 1bypyGhaT_QuMJTyJOXxNvEBTUIZAs1G8.cdx >925959 -rw-rw-r-- 1 ubuntu ubuntu 0 Dec 6 22:29 1cyHw1rliue2_83KeecMcKOLvhfF2F4oc.cdx >925975 -rw-rw-r-- 1 ubuntu ubuntu 0 Dec 6 22:29 1DXCGEfDLva5d8tXdPjIkXiX2EHMwekIR.cdx >[...]