gistfile1.txt

val multipart = call.receiveMultipart()
multipart.forEachPart { part ->
    if (part is PartData.FileItem) {
        try {
            val stream = part.streamProvider()
            val params = SimpleParser.parse(stream.reader(), format.csvFormat).map {
                // do stuff with the data
            }
        } finally {
            part.dispose()
        }
    }
}