hossman@slate:~/tmp/9780596004927/programming_perl_examples [master] $ perl -Mwarnings -Mstrict ./program_listings/ch10/ch10.002.pl
Variable "$sym" is not imported at ./program_listings/ch10/ch10.002.pl line 3.
Variable "@sym" is not imported at ./program_listings/ch10/ch10.002.pl line 4.
Variable "%sym" is not imported at ./program_listings/ch10/ch10.002.pl line 5.
Global symbol "$symname" requires explicit package name (did you forget to declare "my $symname"?) at ./program_listings/ch10/ch10.002.pl line 1.
Global symbol "$symname" requires explicit package name (did you forget to declare "my $symname"?) at ./program_listings/ch10/ch10.002.pl line 2.
Global symbol "$symname" requires explicit package name (did you forget to declare "my $symname"?) at ./program_listings/ch10/ch10.002.pl line 3.
Global symbol "$sym" requires explicit package name (did you forget to declare "my $sym"?) at ./program_listings/ch10/ch10.002.pl line 3.
Global symbol "$symname" requires explicit package name (did you forget to declare "my $symname"?) at ./program_listings/ch10/ch10.002.pl line 4.
Global symbol "@sym" requires explicit package name (did you forget to declare "my @sym"?) at ./program_listings/ch10/ch10.002.pl line 4.
Global symbol "$symname" requires explicit package name (did you forget to declare "my $symname"?) at ./program_listings/ch10/ch10.002.pl line 5.
Global symbol "%sym" requires explicit package name (did you forget to declare "my %sym"?) at ./program_listings/ch10/ch10.002.pl line 5.
Execution of ./program_listings/ch10/ch10.002.pl aborted due to compilation errors.