find ./ -name "*asp*" -exec sed -i "s/?/%3F/g" {} \;

find 

 

 

 

http://www.baidu.com/cn

c=${a//\//\\/}

echo $c

http:\/\/www.baidu.com\/cn

 

 

content='f'

echo 'fefew $f'--->sorry   you need to    echo "fefe $f"

 

 

 

read -p "Content:" content
content=${content//\//\\/}
echo $content
read -p "Replace:" replace
find ./ -name "*asp*" -exec sed -i "s/$content/$replace/g" {} \;