Groovy

First things first, we have seen the pipeline syntax in the previous chapter when we used the Blue Ocean pipeline editor. The language that is used in these pipelines is called Groovy (http://groovy-lang.org/). Groovy is not unlike JavaScript and JavaScript would actually be a more appropriate name because Groovy is a scripting language for the Java platform. You can download Groovy from their website, http://groovy-lang.org/download.html, in case you want to practice locally. For Windows, simply download Groovy, unzip it, and add an entry to the PATH variable to [unpack folder]\groovy-[your.version]\bin. You can add a PATH variable by going to the computer's Control Panel, then System, and then the Advanced System settings on the left-hand side menu. In the popup is an Environment Variables... button, which will take you to another popup where you can edit your PATH...