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# Run on an image to see it's width & height in pixels, then copy the CSS syntax for it.
imgsize () {
  width=$(mdls -name kMDItemPixelWidth -raw "$1")
  height=$(mdls -name kMDItemPixelHeight -raw "$1")
  echo "width: "$width"px;
height: "$height"px;" | pbcopy
  echo "$width"x"$height"
}

# Displays all images in a directory with image sizes. Either pass in a folder or run as-is to list the current directory
lsimgsizes() {
  if [[ "$#" == 0 ]]; then
    path="."
  else
    path=$1
  fi
  IFS=$'\n'
  for i in $(mdfind -onlyin "$path" "kind:image"); do
    echo -n $(basename "$i")
    width=$(mdls -name kMDItemPixelWidth -raw "$i")
    height=$(mdls -name kMDItemPixelHeight -raw "$i")
    echo " - $width"x"$height"
  done
  unset IFS
}