or download this
"Use of uninitialized value at
/develop/release/cmsidev/dev/cr/cds/comms/x2p/pd2x line 130, <
+FILE1> chunk 1 (#2)
...
(W) An undefined value was used as if it were already defined. It
+ was
interpreted as a "" or a 0, but maybe it was a mistake. To suppre
+ss this
warning assign an initial value to your variables."