I have some grunt tasks to compile files and would like to "recicle" them inside different tasks.

I am trying to modify the destination directory without success... My idea is something like:

grunt.registerTask('bower', ['compile:index', 'compile:core'], function(){
    this.options({dest: 'dist/*.js'});
});

The compile:index task runs good by itself (i.e. when called alone) and has dest: 'index.js, other tasks have other filenames. I would like to change these inside the bowertask, adding a new directory but keeping the filename defined in the original task.

Is this possible?