# unzip -l /tmp/foo.zip 
Archive: /tmp/foo.zip
 Length       Date   Time   Name 
--------  ---------- -----  ------
10272349  2013-08-28 10:27  05.mp3
 9884692  2013-08-28 10:26  08.mp3
 8570210  2013-08-28 10:27  03.mp3
--------                    ------
28727251                    3 files