# File lib/compass/commands/registry.rb, line 11 def abbreviation_of(name) re = /^#{Regexp.escape(name)}/ matching = @commands.keys.select{|k| k.to_s =~ re} if matching.size == 1 matching.first else raise Compass::Error, "Ambiguous abbreviation '#{name}'. Did you mean one of: #{matching.join(", ")}" end end