#!/usr/bin/env ruby
#
# For some/file.svg run:
#
#   script some/file
#
# Requirement for mac os:
#
#   brew cask install inkscape

file = ARGV[0]
%w(48 60 72 76 96 120 152 180 192 512 1200).each do |res|
  run "inkscape -zT -f #{file}.svg -w #{res} -h #{res} --export-png #{file}-#{res}x#{res}.png"
end