$ perl gol-test.pl --coordinates 52.2 16.4 --rgbcolor 255 255 149
Getopt::Long 2.34 ($Revision: 2.68 $) called from package "main".
  ARGV: (--coordinates 52.2 16.4 --rgbcolor 255 255 149)
  autoabbrev=1,bundling=0,getopt_compat=1,gnu_compat=0,order=1,
  ignorecase=1,requested_version=0,passthrough=0,genprefix="(--|-|\+)".
Error in option spec: "coordinates=f{2}"
Error in option spec: "rgbcolor=i{3}"