make it quiet and create /dev/shm/audio with sox info

[air-quality] / audio2mqtt.sh

diff --git a/audio2mqtt.sh b/audio2mqtt.sh
index af23cbb..ee76625 100755 (executable)
--- a/audio2mqtt.sh
+++ b/audio2mqtt.sh
@@ -2,9 +2,9 @@
 
 while true ; do
 
-arecord -d 1 -r 96000 /dev/shm/tmp.wav
+arecord -d 1 -r 96000 /dev/shm/tmp.wav 2>/dev/null
 time=`date +'%s%N'`
-info=`sox /dev/shm/tmp.wav -n stat 2>&1 | grep '[0-9][0-9][0-9]*$' | sed -e 's/[()]//g' -e 's/: */=/' -e 's/  */_/g' | tr '\n' ',' | sed 's/[, ]*$//'`
+info=`sox /dev/shm/tmp.wav -n stat 2>&1 | grep '[0-9][0-9][0-9]*$' | sed -e 's/[()]//g' -e 's/: */=/' -e 's/  */_/g' | tee /dev/shm/audio | tr '\n' ',' | sed 's/[, ]*$//'`
 curl --silent -XPOST http://10.60.0.92:8086/write?db=rot13 --data-binary "fan,dc=trnjanska $info $time"
 
 done