Drag & drop to install
Drag & drop this extension right into the Workflow Editor of KNIME Analytics Platform (4.x or higher).
Learn moreExtension 
KNIME Perl Integration
This feature contains a Perl integration for KNIME.
Legal
Copyright by KNIME AG, Zurich, Switzerland
Update site information
KNIME Analytics Platform 4.2 Update Site, Version 4.2.0
http://update.knime.com/analytics-platform/4.2
In case you can’t install the extension via drag & drop, please check that the update site is activated.