#!/usr/bin/perl -w

use strict;
use DB_File;

my %db;
tie (%db,'DB_File',"mydb.db",O_RDONLY) or die "tie : $!";
untie %db;

##</code><code>##

main::(t.pl:9): tie (%db,'DB_File',"movies.db",O_RDONLY) or die "tie : $!";
  DB<1> s
Fcntl::AUTOLOAD(/usr/lib/perl5/5.6.0/i386-linux/Fcntl.pm:203):
203:        (my $constname = $AUTOLOAD) =~ s/.*:://;
  DB<1> s
Fcntl::AUTOLOAD(/usr/lib/perl5/5.6.0/i386-linux/Fcntl.pm:204):
204:        my $val = constant($constname, 0);
  DB<1> s
Fcntl::AUTOLOAD(/usr/lib/perl5/5.6.0/i386-linux/Fcntl.pm:205):
205:        if ($! != 0) {
  DB<1> s
Fcntl::AUTOLOAD(/usr/lib/perl5/5.6.0/i386-linux/Fcntl.pm:216):
216:        *$AUTOLOAD = sub { $val };
  DB<1> s
Fcntl::AUTOLOAD(/usr/lib/perl5/5.6.0/i386-linux/Fcntl.pm:217):
217:        goto &$AUTOLOAD;
  DB<1> s
Fcntl::__ANON__[/usr/lib/perl5/5.6.0/i386-linux/Fcntl.pm:216](/usr/lib/perl5/5.6.0/i386-linux/Fcntl.pm:216):
216:        *$AUTOLOAD = sub { $val };
  DB<1> s
DB_File::TIEHASH(/usr/lib/perl5/5.6.0/i386-linux/DB_File.pm:264):
264:        tie_hash_or_array(@_) ;
  DB<1> s
DB_File::tie_hash_or_array(/usr/lib/perl5/5.6.0/i386-linux/DB_File.pm:244):
244:        my (@arg) = @_ ;
  DB<1> s
DB_File::tie_hash_or_array(/usr/lib/perl5/5.6.0/i386-linux/DB_File.pm:246):
246:        my $tieHASH = ( (caller(1))[3] =~ /TIEHASH/ ) ;
  DB<1> s
DB_File::tie_hash_or_array(/usr/lib/perl5/5.6.0/i386-linux/DB_File.pm:249):
249:            if @arg >= 5 && ref $arg[4] && $arg[4] =~ /=HASH/ && tied %{ $arg[4] } ;
  DB<1> s
DB_File::tie_hash_or_array(/usr/lib/perl5/5.6.0/i386-linux/DB_File.pm:252):
252:        if ($db_version > 1 and defined $arg[4] and $arg[4] =~ /RECNO/ and
253:            $arg[1] and ! -e $arg[1]) {
  DB<1> s
DB_File::tie_hash_or_array(/usr/lib/perl5/5.6.0/i386-linux/DB_File.pm:259):
259:        DoTie_($tieHASH, @arg) ;
  DB<1> s
tie :  at t.pl line 9, <IN> line 14.
Debugged program terminated.  Use q to quit or R to restart,