HDHomerun Signal Strength Gather

signalstrength.sh

#!/bin/bash
#Should work on any OSX or Linux box, change the ip address to point towards your box.

# Will append to tvsignal.txt output that looks like the following.
# seconds,frequency,channel,type,signal strengh, signal quality,symbol quality, profile, stream rate,client ip
# 1429662591,539.000,5,8vsb,69%,51%,100%,mobile,2.485,10.0.1.25
# 1429662601,539.000,5,8vsb,69%,52%,100%,mobile,1.569,10.0.1.25
# 1429674477,195.000,3,8vsb,90%,46%,none,mobile,0.021,10.0.1.25
# 1429674487,195.000,3,8vsb,90%,48%,none,mobile,0.011,10.0.1.25

#The ip address of your HDHomerun box
IPADDR="10.0.1.3"

foo () 
{ 
  curl http://$IPADDR/tuners.html?page=tuner0 2> /dev/null | \
    grep -A1000 Frequency | \
    sed -e 's/^.*<td>//g' -e 's/<[^>]*>//g' -e '/^\s*$/d' |
    awk '{print $1}' | \
    tr "\n" "," | \
    sed -e 's/,$//g'
}


foo2 () 
{ 
    echo "$(date +%s),$(foo)"
}

for x in `seq 10`; do foo2; sleep 10; done | tee -a tvsignal.csv