sed 用法笔记

替换每行中头一次出现的test  

sed -i "s/test/design/" /var/tmp/a

整行范围内替换

sed -i "s/test/design/g" /var/tmp/a

删除以design开头的行中test

sed -i "/^design*/s/ test//g" /var/tmp/a

转载于:https://www.cnblogs.com/pretty-pretty-fish/p/3372504.html