   #  Load npm tasks
   #-----------------------------------------------
   require('matchdep').filterDev('grunt-*').forEach grunt.loadNpmTasks
+
+  #  Option
+  #-----------------------------------------------
+  filter = grunt.option 'filter'
 
   #  File list
   #-----------------------------------------------


    # Watch
    watch:
      coffee:
        files: 'src/**/*.coffee'
        tasks: ['coffee:src']

        tasks: ['coffee:test']

      jasmine:
        files: ['tmp/spec/**/*.js', 'tmp/src/**/*.js']
        tasks: ['filtered_test']


