去行號:
http://tools.jb51.net/code/quhanghao
去空行:
https://uutool.cn/nl-trim/
去重複:
http://life.chacuo.net/converttextuniq
https://www.lddgo.net/string/duplicate-remove
https://www.wetools.com/text-remove-duplicates
https://tool.lanrentuku.com/quchong/