How do I count the number of lines in a file?

EZ-Metrix® is a web-based commercial code counting utility that runs on Windows Internet Explorer. It supports physical KLOCs for more than 75 programming languages, is configurable to special/additional languages, and allows comparing two versions of the same source file(s). This comparison feature can be helpful for managing underway projects, or comparing progressive releases of a product. A free 30-day trial license is available at