mac osx sed 命令

$ sed -i "s/devicedemo/device/g" `grep devicedemo -rl ./`

sed: 1: ".//.coveragerc": invalid command code .

 

$ sed -i " " 's/devicedemo/device/g' `grep devicedemo -rl .`

sed: RE error: illegal byte sequence

 

$ export LC_COLLATE='C'

$ export LC_CTYPE='C'

 

$ sed -i "" 's/old_string/new_string/g' `grep old_string -rl . --exclude-dir .git`