> Anyone have a good Zip file testing utility you're able to use via Ztree Ctrl-Batch or F9 Application menus?
>
> I mostly want command line ability and a simple report of whether the zip file is corrupt or not... whether the zip file itself is OK or not.
>
Dan,
I haven't tried this one, in the way that you specify -- but it might be worth investigating.
"DataNumen Zip Repair" is claimed to be "best in the world", to both Find and Fix "all sub-types of Zip files and all kinds of self-extracting files" -- with support for "command line (DOS prompt) parameters".
Note: - "FREE for PERSONAL, NON-COMMERCIAL use."
DataNumen
https://www.datanumen.com/
DataNumen Zip Repair v2.7
https://www.datanumen.com/zip-repair/
DataNumen Zip Repair - Competitive Comparison
https://www.datanumen.com/zip-repair/compare.htm
Bill K