concat-stream as a transform stream
npm install accum-transformA stream that accepts data until it ends, and then emits it all at once.
``javascript
var accum = require('accum-transform')
var stream = accum(stream2_options)
stream.on('data', function(data) {
/ we have all the data /
})
stream.write('wutever')
stream.write(' !')
stream.end()
``