Today JayScript is issued as general/jayscript addon.
http://www.jsoftware.com/jwiki/Addons/general/jayscript
JayScript is J Language Active Script Connector.
Implements Windows script interfaces. Allows J to be used as script
for various scripting hosts: cscript/wscript shell with .ijss extension
or a Windows Script File job, ASP, Internet Explorer; as well as custom
applications that support scripting extensions.
Use JAL/Package Manager to download, see Wiki page for details.
Please provide feedback from testing on Vista or other Windows.
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