code: function(task, compressors) {
      var sizes = {},
        files = processPatterns(task.files, function(pattern) {
          // Find all matching files for this pattern.
          return glob.sync(pattern, { filter: "isFile" });
        });
  
      files.forEach(function(src) {
        var contents = file.read(src),
          fileSizes = (sizes[src] = { "": contents.length });
        if (compressors) {
          Object.keys(compressors).forEach(function(compressor) {
            fileSizes[compressor] = compressors[compressor](contents);
          });
        }
      });
  
      return sizes;
    }
docs: Files helper.