byzanz-record window gif

recGif.sh

#!/bin/sh
INFO=$(xwininfo -frame) 
WIN_GEO="--width="
WIN_GEO="$WIN_GEO$(echo $INFO | grep -oEe 'geometry [0-9]+x[0-9]+' | grep -oEe '[0-9]+x[0-9]+' | grep -oEe '[0-9]+x[0-9]+')"
WIN_XY="--x=" 
WIN_XY="$WIN_XY$(echo $INFO | grep -oEe 'Corners:\s+\+[0-9]+\+[0-9]+' | grep -oEe '[0-9]+\+[0-9]+' | sed -e 's/+/ --y=/' )"
WIN_HEI=`echo $WIN_GEO | sed s/x/\\ --height=/g`

filename="$1.gif"

rm $filename

function ctrl_c() 
{      
	sleep 1
	convert $filename -loop 0 $filename	
    echo "done"
}

trap ctrl_c INT
echo "recording $filename, quit with ctrl-c"
byzanz-record --duration=10000 $WIN_XY $WIN_HEI --delay=0 "$filename"
sleep 1