Windows command line to decrypt multiple files

[Robert J. Hansen]

Quoting bj <blueapplejacks at gmail.com>:

> Hi all.  I found and modified a batch file that encrypts files prior to
> sending them out.  Now we need to decrypt incoming files from another
> company (encrypted with our key).

What operating system are you using?  This is the sort of thing that's  
more appropriate for a Windows service as opposed to a batchfile.  I  
may have something around here that is useful for your niche, but I've  
only tested it on a Windows 7/64 box.