Iconos para iOS

copyIcons.sh

if [ $# -eq 0 ]
then
  echo "No arguments"
  exit
fi

for file in "$@"
do
  fullFileName=$file
  extension="${fullFileName##*.}"
  fileName="${fullFileName%.*}"

  height=$(sips -g pixelHeight $fullFileName | tail -n1 | cut -d" " -f4)
  width=$(sips -g pixelWidth $fullFileName | tail -n1 | cut -d" " -f4)
  maxDim=$(( $height > $width ? $height : $width ))

  r1x="$fileName@1x.$extension"
  r2x="$fileName@2x.$extension"
  r3x="$fileName@3x.$extension"

  tee $r1x $r2x $r3x < $fullFileName > /dev/null

  sips -Z $(echo "scale=3; $maxDim / 3" | bc -l) $r1x > /dev/null
  sips -Z $(echo "scale=3; $maxDim * 2 / 3" | bc -l) $r2x > /dev/null

done