To install, use go get and make install.

$ go get -d github.com/kosmikko/go-areena-dl
$ cd $GOPATH/src/github.com/kosmikko/go-areena-dl
$ make install

env GOOS=linux GOARCH=arm GOARM=5 go build -v github.com/kosmikko/go-areena-dl

You need to define the following environment variables (get these from http://developer.yle.fi/):

export YLE_APP_ID="YOUR_APP_ID"
export YLE_APP_KEY="YOUR_APP_KEY"
export YLE_SECRET="YOUR_APP_SECRET"

Download video(s) by defining program_ids separated by comma:

go-areena-dl download PROGRAM_ID1,PROGRAM_ID2