convert vector pdf to iOS image assets

convertPDFToPNG3x.sh

#!/bin/bash -e

# convert vector pdf to iOS image assets
# copy this script to the folder where the pdf files live and run "./convertPDFToPNG3x.sh" in terminal.
# this will generate [filename]@3x.png, [filename]@2x.png and [filename].png images in the same folder


# Ensure we're running in location of script.
cd "`dirname $0`"

for f in *; do
  if [[ $f == *.pdf ]];
    then
    convert -density 216 "$f" "${f//.pdf/@3x.png}"
    convert -density 144 "$f" "${f//.pdf/@2x.png}"
    convert -density 72 "$f" "${f//.pdf/.png}"
  fi
done

echo "Complete"