用 SQL 方式查询 CSV 文件的命令行工具。支持 where、group_by、join 查询和中文等多种字符编码，还可以把查询结果转存到数据库。终于不用为产品临下班，扔来的 CSV 文件而加班啦 ``` q "SELECT COUNT(*) FROM ./clicks_file.csv WHERE c3 > 32.3" ps -ef | q -H "SELECT UID,COUNT(*) cnt FROM - GROUP BY UID ORDER BY cnt DESC" ```