This looks like REBOL, a fascinating and impressive language that encourages the creation of DSLs (they call them dialects). It's a half-megabyte, zero-install,

This looks like REBOL, a fascinating and impressive language that encourages the creation of DSLs (they call them dialects). It's a half-megabyte, zero-install, cross-platform executable that can run on Linux, Android, HaikuOS, Windows, Mac. From the homepage: Most software systems have become needlessly complex. We rebel against that complexity, fighting it with the most powerful tool available, language itself. Take a look at http://www.rebol.com/oneliners.html http://www.rebol.com/oneliners.html for some very impressive one-liners like the one below (downloads and prints a web page source): print read http://www.rebol.com