摘要: $ echo hengwei-2018 > a.txt $ echo hengwei_2019 >> a.txt # 1 $ for line in `cat a.txt`; do echo $line; done hengwei-2018 hengwei_2019 # 2 $ while read 阅读全文
posted @ 2020-05-26 14:15 衡子 阅读(1093) 评论(0) 推荐(0) 编辑