|
1 |
cat a.txt |sed '/^$/d' |
Latest posts by Zhiming Zhang (see all)
- nginx resolvervalid not working with domain - 一月 6, 2020
- Python Requests Library - 十二月 29, 2019
- curl 入门 - 十二月 28, 2019
sed 去掉空行
|
1 |
cat a.txt |sed '/^$/d' |