diff options
| -rw-r--r-- | broccoli/script/livegraph.sh | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/broccoli/script/livegraph.sh b/broccoli/script/livegraph.sh new file mode 100644 index 0000000..6a095c4 --- /dev/null +++ b/broccoli/script/livegraph.sh @@ -0,0 +1,36 @@ +#!/bin/bash + +if [[ $# -ne 1 ]] +then + echo "Reads the sensor.dat and distance.dat from a running Pasad" + echo "instance and draws a graph from them." + echo + echo "Usage:" + echo " $0 SOURCE" + echo "Arguments:" + echo " SOURCE an expression such that SOURCE/sensor.dat and" + echo " SOURCE/distance.dat can be used as arguments for" + echo " scp (e. g. user@host:/path/to/files)" + echo + echo "Note: Use ssh-add to avoid typing your SSH passphrase every second" + exit 1 +fi + +function plot() { + scp "${SCP_EXPR}/sensor.dat" "${SCP_EXPR}/distance.dat" . + echo "set terminal png; plot 'sensor.dat' using 0:1 with line, 'distance.dat' using 0:1 axis x1y2 with line"| gnuplot > live-tmp.png + mv live-tmp.png live.png +} + +SCP_EXPR=$1 + +echo 0 > sensor.dat +echo 0 > distance.dat +plot +feh -x --reload 0.1 live.png & + +while true +do + sleep 0.1 + plot +done |