Name "main::code" used only once: possible typo at imgverfn.pl line 23. 
at imgverfn.pl line 23 
Name "main::number_of_characters" used only once: possible typo at imgverfn.pl line 18. 
at imgverfn.pl line 18 
main::(imgverfn.pl:9): my $captcha = Authen::Captcha->new(); 
resize: not found 
Unable to get Terminal Size. The TIOCGWINSZ ioctl didn't work. The COLUMNS and LINES environment variables didn't work. Theresize program didn't work. at /usr/local/lib/perl5/site_perl/5.8.8/mach/Term/ReadKey.pm line 362. 
Compilation failed in require at /usr/local/lib/perl5/site_perl/5.8.8/Term/ReadLine/Perl.pm line 63. 
at /usr/local/lib/perl5/site_perl/5.8.8/Term/ReadLine/Perl.pm line 63 
Term::ReadLine::Perl::new('Term::ReadLine', 'perldb', 'GLOB(0x8128b94)', 'GLOB(0x80f6358)') called at /usr/local/lib/perl5/5.8.8/perl5db.pl line 6029 
DB::setterm called at /usr/local/lib/perl5/5.8.8/perl5db.pl line 2203 
DB::DB called at imgverfn.pl line 9