It’s hard to believe, but I just came across an upload scanner for BBS’s that I wrote back in 1992… and it’s still available for download!
PKINS710.ZIP – “PKinsert Version 7.10 released Jan 1st 1992 Check archive integrity, insert comment/ taglines, scan for virii, add and delete disclaimers, etc. Handles Zip, Lzh, Arj and Arcs w/in Arcs. Support for PCB V14.5a and any other BBS Software. Perfect SysOp hands-off u/l monitor! Highly configurable. Version 7.10 handles an unlimited number of archives, 4 billion nested archives, and a major reduction in memory requirements.”