2010.10.3更新
#!/bin/sh
while true;
do
    if test -n "`file /tmp/Flash*|grep \"Macromedia Flash Video\\|MPEG v4\"`";then
        gnome-screensaver-command -p
    fi
    sleep 30 
done
------------------------------------- 非原创,改进版本,原文在这里
#!/bin/sh
while true;
do
    if test -n "`file /tmp/Flash*|grep \"Macromedia Flash Video\"`";then
        gnome-screensaver-command -p
    fi
    sleep 30
done
原理是flash加载资源时会在/tmp目录产生缓存,这里每隔30秒检查一下是否有视频缓存,如果有,就用gnome-screensaver-command命令模拟活动一下,屏保就不会激活了~ ----------- post by gmail~