I dunno how many times I'm gonna have to fix the "problem seems to be the hex conversion" bug, but this is at least the fourth try.
#!/bin/bash
for f in *.svg; do
echo Converting $f
fname=`echo $f | cut -d '.' -f 1`
rm -f $fname.png
inkscape -z -f $f -w 22 -h 22 -e ./$fname.png
done