calculate transfer out from wowza logs

gistfile1.sh

#  To calculate the bandwidth usage per session, subtract sc-bytes in the “connect” event by sc-bytes in the “disconnect” event
connect=`grep $'\tconnect' wowzamediaserver_access.log.2012-09-?? | cut -f22 |  awk '{total = total + $1}END{print total}' `
disconnect=`grep $'\tdisconnect' wowzamediaserver_access.log.2012-09-?? | cut -f22 |  awk '{total = total + $1}END{print total}' `
expr $connect - $disconnect
connect=`grep $'\tconnect' wowzamediaserver_access.log.2012-??-?? | cut -f22 |  awk '{total = total + $1}END{print total}' `
disconnect=`grep $'\tdisconnect' wowzamediaserver_access.log.2012-??-?? | cut -f22 |  awk '{total = total + $1}END{print total}' `
expr $connect - $disconnect
#  To calculate the bandwidth usage per stream, subtract sc-stream-bytes in the “play” event from sc-stream-bytes in the “stop” event.
play=`grep $'\tplay' wowzamediaserver_access.log.2012-09-?? | cut -f27 |  awk '{total = total + $1}END{print total}' `
stop=`grep $'\tstop' wowzamediaserver_access.log.2012-09-?? | cut -f27 |  awk '{total = total + $1}END{print total}' `
expr $stop - $play
play=`grep $'\tplay' wowzamediaserver_access.log.2012-??-?? | cut -f27 |  awk '{total = total + $1}END{print total}' `
stop=`grep $'\tstop' wowzamediaserver_access.log.2012-??-?? | cut -f27 |  awk '{total = total + $1}END{print total}' `

# http://help.adobe.com/en_US/FlashMediaServer/3.5_AdminGuide/WS5b3ccc516d4fbf351e63e3d119f2926bcf-79d1.html