polar_view_spike.rb

require "Nokogiri"
require 'active_support/core_ext/hash/conversions'


puts "type in the full path to the file to be parsed."
file = gets.chomp.to_s

# Grab the file that needs to be parsed
f = File.open(file)

# Parse the XML
doc = Nokogiri::XML(f)

# Create a new hash of the data
doc = Hash.from_xml(doc.to_s)

# Create an array of the waypoint data
waypoints = doc["gpx"]["wpt"]

# Profit!
puts "=-=-=-=-=-=-=-=-="
puts "Fish are here =>"
puts "\n"

waypoints.each do |wpt|
  puts "Waypoint: " + wpt["name"] 
  puts "Coords: " + wpt["lat"] + ", " + wpt["lon"]
end
puts "\n"
puts "=-=-=-=-=-=-=-=-="


new_page = Nokogiri::XML::Builder.new do |xml|
xml.gpx{
  xml.version "1.1"
  xml.creator "Directional_fish" 
       
   waypoints.each do |line| 
    xml.wpt{  
      xml.lat line["lat"]  
      xml.lon line["lon"]  
      xml.name "test"
      xml.sym "dot"
      
    }
    end
  xml.rte{
    xml.name "test"
    xml.desc
    xml.number
     
  }
} 

end 
File.open("/Users/hayduke19us/Documents/test.gpx", 'w') do |write|
  write.puts new_page.to_xml
end