替换内容 sed
sed- 全局替换字符串
sed -i 's/oldstring/newstring/g' $filename- 执行前一定要做好备份
- 【备注】对于MacOS，这条命令执行不了，要修改为下面的
sed -i '' 's/oldstring/newstring/g' $filename
- 全局替换字符串
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sed
sed -i 's/oldstring/newstring/g' $filename
sed -i '' 's/oldstring/newstring/g' $filename