假设有文件test.txt,想把test.txt文件第三列含有的good替换为bye,并把替换后的文件保存为test_bye.txt,只需要如下命令. test.txt go go good go my my go good bye my good bye test_bye.txt go go bye go my my go good bye my bye bye awk -F " " '{if ($3==good) $3=bye}1' test.txt > test_bye.t
格式: sed -i "s/查找字段/替换字段/g" `grep 查找字段 -rl 路径` linux sed 批量替换多个文件中的字符串 sed -i "s/oldstring/newstring/g" `grep oldstring -rl yourdir` 例如:替换/home下所有文件中的www.admin99.net为admin99.net sed -i "s/www.admin99.net/admin99.net/g" `grep w
1 PowerDesigner中在生成的数据库脚本中用name列替换comment列作为字段描述的方法如下, 依次打开Tools -- Execute Commands -- Run Script,运行以下脚本: Option Explicit ValidationMode = True InteractiveMode = im_Batch Dim mdl 'the current model 'get the current active model Set mdl = ActiveModel
1.linux下精确替换某个字符串 sed -i 's/\<old\>/new/g' filename.txt 2.举例: 2.1有个文件名为filename.txt,内容如下: newdalsad dsadsaold old dnw new 2.2 将精确查找到的old替换为new sed -i 's/\<old\>/new/g' filename.txt 那么替换后内容如下: newdalsad dsadsaold new dnw new