Convert SVG to PNG @2x @3x

svg-convert.sh

#!/bin/bash

# I made this script to convert SVG icons for an iOS app into PNG.
# The script will create icons in 3 sizes for different screen DPIs.

find . -type f -name "*.svg" | while read f
do
	echo '---'
	FILENAME="${f%.*}"
	echo $FILENAME
	WIDTH=$(convert "$FILENAME.svg" -print "%w" /dev/null | awk '{ rounded = sprintf("%.0f", $1); print rounded; }')
	convert -background none -density $(($WIDTH * 300)) -resize $(($WIDTH * 1))x "${FILENAME}.svg" "${FILENAME}@1x.png"
	convert -background none -density $(($WIDTH * 300)) -resize $(($WIDTH * 2))x "${FILENAME}.svg" "${FILENAME}@2x.png"
	convert -background none -density $(($WIDTH * 300)) -resize $(($WIDTH * 3))x "${FILENAME}.svg" "${FILENAME}@3x.png"
done