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#!/bin/bash
# changable config variables:
IMAGE_LOCATION="../tiles"
TEMP_LOCATION="../temp"
OS_LOGO="os.png"
#---
asdf=""
xrandr --listactivemonitors | grep -oE '[^ ]+$' | sed '1d' | while read -r line ; do
RES=$(xrandr --query --verbose | grep $line | cut -d ' ' -f 3)
if [ $RES == "primary" ]; then
RES=$(xrandr --query --verbose | grep $line | cut -d ' ' -f 4 | cut -d '+' -f 1)
echo $RES
else
RES=$(cut -d '+' -f 1 <<<$RES)
echo $RES
fi
PIC=`ls -rt -d -1 $IMAGE_LOCATION/* | shuf -n 1`
PICNAME=$(basename -- "$PIC")
convert -size $RES tile:$PIC -gravity SouthEast -draw "image over 25,25 0,0 $OS_LOGO" $TEMP_LOCATION/temp$RES$PICNAME
asdf="$asdf --output $line --center $TEMP_LOCATION/temp$RES$PICNAME"
xwallpaper $asdf # this is done each loop, because the asdf var is lost upon exiting the loop
# the workarounds are kinda stinky and I dont want to do them
# http://mywiki.wooledge.org/BashFAQ/024
echo "xwallpaper $asdf"
done
rm $TEMP_LOCATION/*
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