function (data) {
if(!anyData) stream.queue(op)
stream.queue(cl)
stream.queue(null)
})
stream = through(function (data) {
anyData = true
var json = JSON.stringify(data[0]) + ':' + JSON.stringify(data[1], null, indent)
if(first) { first = false ; stream.queue(op + json)}
else stream.queue(sep + json)
},