Replace Retain and Constant column in VariablePanel by Option and add the option Non-Retain
#!/bin/bash
INKSCAPE=inkscape
for i in `cat icons.svg |grep -o -e '%%[^%]*%%'|sed 's/%//g'`
do
echo "$INKSCAPE" icons.svg -z -e $i.png -i $i
rm -f $i.png
"$INKSCAPE" icons.svg -z -e $i.png -i $i
done