bash-2.05a$ perl
dbmopen(%DBM,"someDBM",undef) or die "$!\n";
print $DBM{subject},"\n";
Use of uninitialized value in subroutine entry at /usr/lib/perl5/i386-linux/DB_File.pm line 262.
Use of uninitialized value in subroutine entry at /usr/lib/perl5/i386-linux/DB_File.pm line 262.