Convert to eps

img2eps.bash

for file in *.png; do
        convert $file eps2:${file%.*}.eps ;
done

for file in *.jpg; do
        convert $file eps2:${file%.*}.eps ;
done

pdf2png.bash

for file in *.pdf; do
        convert -define profile:skip=ICC -density 150 $file -quality 90 ${file%.*}.png ;
done

svg2eps.bash

for infile in *.svg ;
do inkscape $infile -E ${infile%.*}.eps --export-ignore-filters --export-ps-level=3 ;
done;