w | rjc w

{
    "resources": [
        {
            "user":     String,
            "tty":      String,
            "from":     String,
            "login_at": String,
            "idle":     String,
            "jcpu":     String,
            "pcpu":     String,
            "what":     String,
        },
        ...
    ]
}

$ w | rjc -o=pretty w
{
    "resources": [
        {
            "user": "aaron",
            "tty": "tty1",
            "from": ":0",
            "login_at": "Wed11",
            "idle": "119days",
            "jcpu": "1:32m",
            "pcpu": "0.05s",
            "what": "/usr/bin/startplasma-x11"
        }
        ...
    ]
}