Minify multiple files with UglifyJS

Question

Is it possible to compress multiple files with UglifyJS?

Something like...

uglifyjs -o app.build.js appfile1.js appfile2.js ...

Also, I

Answer 1

For future readers of this question, w/ UglifyJS2, this is trivial now...

uglifyjs file1.js file2.js -o foo.min.js

There is also support for source maps too.

uglifyjs file1.js file2.js -o foo.min.js --source-map foo.min.js.map --source-map-root http://foo.com/src