split from [node-novel/test/txt-split](https://github.com/bluelovers/node-novel/tree/master/test/txt-split)
npm install @node-novel/txt-split
split from node-novel/test/txt-split
``nodemonnpm install @node-novel/txt-split``
nodemonnpm install @node-novel/txt-split
see node-novel/test/txt-split