Hi Wind - I get the following error when running the code,any idea what is wrong?

>perl c:\perl_scripts\zip.pl test C:\dir
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
Use of uninitialized value in pattern match (m//) at c:\perl_scripts\z
+ip.pl line 14.
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