Deleting files

[LinearBurn]

Im looking for a way to delete files on first boot on the sd card (this is for a rom project im working on for android on the TP2 ) basicaly what i want it to do is you flash my rom it check for files and folders on the sd if these folders and files exists is will delete the files then excutes a cab to install the android subsystem im wanting to do this in the UC fist boot or when you click a link ( i know how to triger fist boot us at any time so i could do this with out any special process if i knew how to do the delete thing.

anyone that can help with eather batching or a app is apricated ... one thing tho it has to prompt before deletion (safty reasons i dont want to delete some ones data with out there knoledge.)