or download this
Hash %window missing the % in argument 1 of each() at black.pl line 1.
Hash %watches missing the % in argument 1 of each() at black.pl line 3
+.
...
Hash %sacrifice missing the % in argument 1 of each() at black.pl line
+ 13.
Use of "do" to call subroutines is deprecated at black.pl line 15.
Use of "do" to call subroutines is deprecated at black.pl line 16.