# File lib/compass/commands/generate_grid_background.rb, line 14 def perform column_width, gutter_width = options[:grid_dimensions].split(/\+/).map{|d| d.to_i} unless GridBuilder.new(options.merge(:column_width => column_width, :gutter_width => gutter_width, :output_path => projectize(project_images_subdirectory), :working_path => self.working_path)).generate! puts "ERROR: Some library dependencies appear to be missing." puts "Have you installed rmagick? If not, please run:" puts "sudo gem install rmagick" end end