You can use something like this:
Code:
redirect=`rtmpdump -v -r "rtmp://31.220.0.193:1935/redirect" -y "41" -V -B 0.1 2>&1 | grep "redirect, STRING:" | grep -o 'rtmp[^>]*'`
rtmpdump -v -r "$redirect" -y "41" -W "http://static.surk.tv/atdedead.swf" -p "http://filotv.pw" -T '#atd%#$ZH' -C S:OK -q -o out.flv