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241 lines
7.3 KiB
Bash
Executable File
241 lines
7.3 KiB
Bash
Executable File
#!/bin/sh
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###################################################################################################
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#
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# Multigraph munin plugin to monitor 2wcom DSR01/DSR02 Professional Audio Satellite-Receivers
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# through their web interface status page.
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#
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# To use this plugin, copy it to the munin's plugin directory (eg. /usr/share/munin/plugins)
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# under the name "2wcomdsr_". Don't change this filename! Follow these steps:
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#
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# 1. Give names to your receivers, in fqdn style. Like "dvbs.radio1" or "dvbs.radio2". Make sure
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# you can resolve these names as DNS names from the munin machine. You can simply add them
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# as entries in /etc/hosts.
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#
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# 2. Then symlink it to munin's configured plugins directory (eg. /etc/munin/plugins) with names
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# according to the devices you wish to monitor, eg:
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#
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# 2wcomdsr_dvbs.radio1
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# 2wcomdsr_dvbs.radio2
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#
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# 3. In /etc/munin/munin.conf just add these lines for them. Yes, 127.0.0.1 is correct
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# because that points to the munin-node address not the UPS address.
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#
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# [2wcomdsr_dvbs.radio1]
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# address 127.0.0.1
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#
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# [2wcomdsr_dvbs.radio2]
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# address 127.0.0.1
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#
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# 4. In /etc/munin/plugin-conf.d/munin-node add the web interface login, to be able to read
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# the reveivers status pages (obviously replacing these with your own data):
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#
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# [2wcomdsr_*]
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# env.webuser admin
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# env.webpass admin
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#
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# The above is for all the receivers using the same username and password. If they are different
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# you can add as many entries as you want, by removing the wildcard and giving the entire name.
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#
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# 5. Restart the munin node by 'service munin-node restart'.
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#
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# If all went well, after 5 minutes or so you should have two additional nodes listed
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# on the Web Interface of munin.
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#
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# Tested & working with several 2wcom DSR01 Basic receivers, with Munin v.2.0.14 on Ubuntu LTS 12.04
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# Created in 2013 by robi
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# v0.2 - added Viterbi/LDPC and RS/BCH BER graphs
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# v0.1 - initial version
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##################################################################################################
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case $0 in
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*2wcomdsr_*)
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hostname=${0##*/2wcomdsr_}
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;;
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esac
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case $1 in
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config)
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echo "multigraph cpn"
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echo "host_name $hostname"
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echo "graph_args --base 1000"
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echo "graph_title Carrier/Noise Ratio"
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echo "graph_vlabel dB"
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echo "graph_category radio"
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echo "graph_scale no"
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echo "graph_info Calculated carrier/noise ratio of the signal. To avoid data errors, the decoding of a received signal requires a minimum C/N ratio that depends on the FEC rate."
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echo "cpn.label C/N"
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echo "cpn.critical 10:"
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echo "cpn.info Calculated carrier/noise ratio of the signal."
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echo
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echo "multigraph cfo"
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echo "host_name $hostname"
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echo "graph_args --base 1000"
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echo "graph_title Carrier Frequency Offset"
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echo "graph_vlabel MHz"
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echo "graph_category radio"
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echo "graph_scale no"
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echo "graph_info Incoming signals from the LNB are subject to frequency tolerances, thus check the 'CFO Error' under menu item 'Status>Tuner'. This value represents the margin by which the entered frequency deviates from the actual frequency. In order to maximize reception quality the CFO error should be minimized."
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echo "cfo.label CFO"
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echo "cfo.critical 250"
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echo "cfo.info Carrier Frequency Offset."
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echo
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echo "multigraph inp"
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echo "host_name $hostname"
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echo "graph_args --base 1000"
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echo "graph_title RF Signal Level"
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echo "graph_vlabel dBm"
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echo "graph_category radio"
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echo "graph_scale no"
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echo "graph_info Input for the connection of the receiving LNB of the satellite antenna. Admissible RF signal input range is -82 to -10 dBm."
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echo "inp.label RF level"
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echo "inp.critical -65:"
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echo "inp.info Level of the RF signal at the 'RF-In' input."
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echo
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echo "multigraph tnr"
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echo "host_name $hostname"
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echo "graph_args --base 1000"
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echo "graph_title Tuner system Status"
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echo "graph_vlabel 1=OK, 0=BAD"
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echo "graph_category radio"
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echo "graph_scale no"
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echo "graph_info Tuner system status: 1 = 'OK' or 0 = 'BAD'. It is OK if all the following values are OK: AGC (Automatic Gain Control), CE (Carrier Frequency Offset Estimation), Symbol Timing, Carrier Locked, Viterbi error correction."
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echo "tnr.label Tuner status"
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echo "tnr.critical 1:"
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echo "tnr.info Tuner system status: 1 = 'OK' or 0 = 'BAD'."
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echo
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echo "multigraph led2"
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echo "host_name $hostname"
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echo "graph_args --base 1000"
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echo "graph_title Warning LED"
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echo "graph_vlabel 0=OFF; >0=ON"
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echo "graph_category radio"
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echo "graph_scale no"
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echo "graph_info Every monitoring function has a checkbox 'warning LED on' to select if the 'Warning' LED on the web interface and the front panel of the device is activated on alarms or not."
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echo "ld2.label Warning"
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echo "ld2.critical 1"
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echo "ld2.info Warning LED: 0 = OFF, greater than 0 = ON."
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echo
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echo "multigraph ber_vt"
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echo "host_name $hostname"
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echo "graph_args --base 1000 --logarithmic"
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echo "graph_title BER Viterbi/LDPC"
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echo "graph_vlabel Bit Error Rate"
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echo "graph_category radio"
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#echo "graph_scale no"
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echo "graph_info Detected bit error rate (BER) before the Viterbi error correction."
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echo "ber_vt.label Viterbi/LDPC BER"
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echo "ber_vt.critical 0.0002"
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echo "ber_vt.info BER before Viterbi error correction"
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echo
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echo "multigraph ber_rs"
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echo "host_name $hostname"
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echo "graph_args --base 1000 --logarithmic"
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echo "graph_title BER Reed Solomon/BCH"
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echo "graph_vlabel Bit Error Rate"
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echo "graph_category radio"
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#echo "graph_scale no"
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echo "graph_info Detected bit error rate (BER) before the Reed Solomon error correction."
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echo "ber_rs.label RS/BCH BER"
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echo "ber_rs.critical 0.0002"
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echo "ber_rs.info BER before Reed Solomon error correction"
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echo
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exit 0;;
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esac
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statusfile=/tmp/2wcomdsr_munin_$hostname.html
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wget -O $statusfile --user=$webuser --password=$webpass http://$hostname/stattuner.xml -o /dev/null --timeout 9
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if [ -f "$statusfile" ]
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then
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cpn=`grep 'content_1<' $statusfile | sed 's/<[^>]*>//g' | sed 's/content_1//g;s/dB//g;s/ //g'`
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cfo=`grep 'content_2<' $statusfile | sed 's/<[^>]*>//g' | sed 's/content_2//g;s/MHz//g;s/ //g'`
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inp=`grep 'content_3<' $statusfile | sed 's/<[^>]*>//g' | sed 's/content_3//g;s/dBm//g;s/ //g'`
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tnr=`grep 'content_10<' $statusfile | sed 's/<[^>]*>//g' | sed 's/content_10//g;s/ //g'`
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ld2=`grep 'led_2<' $statusfile | sed 's/<[^>]*>//g' | sed 's/led_2//g;s/ //g'`
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bev=`grep 'content_12<' $statusfile | sed 's/<[^>]*>//g' | sed 's/content_12//g;s/ //g'`
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bes=`grep 'content_13<' $statusfile | sed 's/<[^>]*>//g' | sed 's/content_13//g;s/ //g'`
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rm -f $statusfile
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fi
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echo "multigraph cpn"
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echo -n "cpn.value "
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if [ -n "$cpn" ]; then
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echo "$cpn"
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else
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echo "U"
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fi
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echo
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echo "multigraph cfo"
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echo -n "cfo.value "
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if [ -n "$cfo" ]; then
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echo "$cfo"
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else
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echo "U"
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fi
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echo
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echo "multigraph inp"
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echo -n "inp.value "
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if [ -n "$inp" ]; then
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echo "$inp"
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else
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echo "U"
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fi
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echo
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echo "multigraph tnr"
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echo -n "tnr.value "
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if [ -n "$tnr" ]; then
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case "$tnr" in
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"OK" ) echo "1";;
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"BAD" ) echo "0";;
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esac
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else
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echo "U"
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fi
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echo
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echo "multigraph led2"
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echo -n "ld2.value "
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if [ -n "$ld2" ]; then
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echo "$ld2"
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else
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echo "U"
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fi
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echo
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echo "multigraph ber_vt"
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echo -n "ber_vt.value "
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if [ -n "$bev" ]; then
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case "$bev" in
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"--" ) echo "U";;
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* ) printf %.8f $bev && echo;;
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esac
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else
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echo "U"
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fi
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echo
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echo "multigraph ber_rs"
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echo -n "ber_rs.value "
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if [ -n "$bes" ]; then
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case "$bes" in
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"--" ) echo "U";;
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* ) printf %.8f $bes && echo;;
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esac
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else
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echo "U"
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fi
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echo
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