crawl ptt articles from its website
usage:
scraping certain ptt board:
lsc crawler.ls <board-name>
All posts will be downloaded into data/
categorize authors by title:
lsc cat.ls <board-name>
food.ls: example for fetching articles for article generation
home-sale.ls: example for categorizing purpose of articles
id-stat.ls: analyze users stand point. output to data/
all sources are licensed under MIT License. ( I used CC-BY-4.0 license before, but MIT License is better for code license. please refer to correspondent license according to the time you fork this project. )