pretty_pretty_fish

摘要： 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testsed -i "/^design*/s/ test//g"/var/tmp/a 阅读全文