Extract value of element in XML with xmlstarlet

My situation is very specific, and I am a beginner with xmlstarlet. I have an XML file like the one below, which contains hundreds of entries.

2008-06-04 16:40
    Daniel
    New name of - Just an example.pdf
    Just an example.pdf

Where **root** = netbooks tag. **QUESTIONS** 1. I have the file hash 5a43dc3524, i want to take the **value** of **date**, that is 2008-06-04 16:40. What's the easiest way to do this? 2. Also, how to get the **attribute** id (that is 2) from **file** element? Again, I have the hash, just it.