sed字符串替换

把drivers目录下的所有pr_log替换成：pr_snd

sed -i "s/pr_log/pr_snd/g" `grep pr_log -rl drivers/`

把drivers目录下所有的pr_snd替换成：//pr_snd

sed -i "s/pr_snd/\/\/pr_snd/g" `grep pr_log -rl drivers/`

需要利用转义字符\/来输出/