#!/bin/sh

for file in $1*.svg; do

  if [[ $file != 'none'* ]]; then

    png=`echo $file | sed s/.svg/.png/`

    # 1. Clean up SVG file.
    if type xmllint &>/dev/null; then

      # Should be pre-installed on OS X.
      xmllint $file -o $file --pretty 1

    fi

    # 2. Convert SVG files to PNG.
    if [ ! -f "$png" ]; then

      if type rsvg-convert &>/dev/null; then

        # Can be installed with Homebrew. (Installation is slow, but conversion is fast.)
        # brew install librsvg
        echo "rsvg-convert: converting $file"
        rsvg-convert $file -o $png

      elif type svgexport &>/dev/null; then

        # Can be installed with NPM. (Installation is fast, but conversion is slow.)
        # npm install -g svgexport
        echo "svgexport: converting $file"
        svgexport $file $png

      fi

    fi

  fi
done