check-gzip

#!/usr/bin/env ruby

url = ARGV.pop

if url.to_s.strip.length == 0
  puts "Error: Please supply a URL"
  exit 1
end

uncompressed_bytes = `curl "#{url}" --silent --write-out "%{size_download}\n" --output /dev/null`
compressed_bytes   = `curl "#{url}" --silent -H "Accept-Encoding: gzip,deflate" --write-out "%{size_download}\n" --output /dev/null`

if compressed_bytes.to_i < uncompressed_bytes.to_i
  puts 'GZIP: Enabled'
else
  puts 'GZIP: Disabled'
end