5 ls -d $dir/* | grep x | sed "s,$dir/*,," | sort -n -r | while read size ; do
8 if [ ! -e $dir/bars.png ] ; then
9 convert media/SMPTE_Color_Bars.svg -geometry $size $dir/bars.png
12 montage -geometry +1+1 -frame 3 -label %f $dir/$size/* $dir/$size.png