The getpwuid function is unimplemented at C:/Perl/site/lib/Util/SelfDestruct.pm
line 33.
BEGIN failed--compilation aborted at C:/Perl/site/lib/Util/SelfDestruct.pm line
33.
Compilation failed in require at D:\test\testing\sum.pl line 1.
BEGIN failed--compilation aborted at D:\test\testing\sum.pl line 1.