forcegpstime.rb

#!/usr/bin/env ruby


require 'pty'

loop do
	begin
		PTY.spawn( "/usr/bin/gpspipe -w" ) do |stdout, stdin, pid|
			stdout.each do |line|
				m = line.match /"time":"(2...-..-..T..:..:......Z)"/
				if m
					puts %x(date -s #{m[1]})
					exit(0);
				end
			end
		end
	rescue
		# ok
	end

	sleep 5000
end