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File/Folder	Size	Actions
B	-	Del OK
B.pm	28.78 KB	Del OK
CORE	-	Del OK
Compress	-	Del OK
Config.pm	3.2 KB	Del OK
Config.pod	248.97 KB	Del OK
Config_git.pl	409 B	Del OK
Config_heavy.pl	52.89 KB	Del OK
Cwd.pm	21.43 KB	Del OK
DB_File.pm	63.58 KB	Del OK
Data	-	Del OK
Devel	-	Del OK
Digest	-	Del OK
DynaLoader.pm	24.59 KB	Del OK
Encode	-	Del OK
Encode.pm	31.33 KB	Del OK
Errno.pm	6.43 KB	Del OK
Fcntl.pm	3.95 KB	Del OK
File	-	Del OK
Filter	-	Del OK
GDBM_File.pm	2.03 KB	Del OK
Hash	-	Del OK
I18N	-	Del OK
IO	-	Del OK
IO.pm	1.42 KB	Del OK
IPC	-	Del OK
List	-	Del OK
MIME	-	Del OK
Math	-	Del OK
NDBM_File.pm	3.01 KB	Del OK
O.pm	4.19 KB	Del OK
ODBM_File.pm	2.9 KB	Del OK
Opcode.pm	15.53 KB	Del OK
POSIX.pm	19.87 KB	Del OK
POSIX.pod	74.31 KB	Del OK
PerlIO	-	Del OK
SDBM_File.pm	3.72 KB	Del OK
Scalar	-	Del OK
Socket.pm	36.19 KB	Del OK
Storable.pm	48.61 KB	Del OK
Sub	-	Del OK
Sys	-	Del OK
Tie	-	Del OK
Time	-	Del OK
Unicode	-	Del OK
_h2ph_pre.ph	28.71 KB	Del OK
asm	-	Del OK
asm-generic	-	Del OK
attributes.pm	15.97 KB	Del OK
auto	-	Del OK
bits	-	Del OK
encoding.pm	22.41 KB	Del OK
endian.ph	3.54 KB	Del OK
errno.ph	23 B	Del OK
features.ph	13.82 KB	Del OK
gnu	-	Del OK
lib.pm	5.99 KB	Del OK
linux	-	Del OK
machine	-	Del OK
mro.pm	9.88 KB	Del OK
ops.pm	997 B	Del OK
re.pm	22.26 KB	Del OK
signal.ph	3.33 KB	Del OK
stdarg.ph	2.8 KB	Del OK
stdc-predef.ph	840 B	Del OK
stddef.ph	11.65 KB	Del OK
sys	-	Del OK
syscall.ph	86 B	Del OK
sysexits.ph	1.26 KB	Del OK
syslimits.ph	452 B	Del OK
syslog.ph	85 B	Del OK
threads	-	Del OK
threads.pm	37.05 KB	Del OK
wait.ph	83 B	Del OK

Edit: NDBM_File.pm

package NDBM_File; use strict; use warnings; require Tie::Hash; require XSLoader; our @ISA = qw(Tie::Hash); our $VERSION = "1.15"; XSLoader::load(); 1; __END__ =head1 NAME NDBM_File - Tied access to ndbm files =head1 SYNOPSIS use Fcntl; # For O_RDWR, O_CREAT, etc. use NDBM_File; tie(%h, 'NDBM_File', 'filename', O_RDWR|O_CREAT, 0666) or die "Couldn't tie NDBM file 'filename': $!; aborting"; # Now read and change the hash $h{newkey} = newvalue; print $h{oldkey}; ... untie %h; =head1 DESCRIPTION C<NDBM_File> establishes a connection between a Perl hash variable and a file in NDBM_File format;. You can manipulate the data in the file just as if it were in a Perl hash, but when your program exits, the data will remain in the file, to be used the next time your program runs. Use C<NDBM_File> with the Perl built-in C<tie> function to establish the connection between the variable and the file. The arguments to C<tie> should be: =over 4 =item 1. The hash variable you want to tie. =item 2. The string C<"NDBM_File">. (Ths tells Perl to use the C<NDBM_File> package to perform the functions of the hash.) =item 3. The name of the file you want to tie to the hash. =item 4. Flags. Use one of: =over 2 =item C<O_RDONLY> Read-only access to the data in the file. =item C<O_WRONLY> Write-only access to the data in the file. =item C<O_RDWR> Both read and write access. =back If you want to create the file if it does not exist, add C<O_CREAT> to any of these, as in the example. If you omit C<O_CREAT> and the file does not already exist, the C<tie> call will fail. =item 5. The default permissions to use if a new file is created. The actual permissions will be modified by the user's umask, so you should probably use 0666 here. (See L<perlfunc/umask>.) =back =head1 DIAGNOSTICS On failure, the C<tie> call returns an undefined value and probably sets C<$!> to contain the reason the file could not be tied. =head2 C<ndbm store returned -1, errno 22, key "..." at ...> This warning is emitted when you try to store a key or a value that is too long. It means that the change was not recorded in the database. See BUGS AND WARNINGS below. =head1 SECURITY AND PORTABILITY B<Do not accept NDBM files from untrusted sources.> On modern Linux systems these are typically GDBM files, which are not portable across platforms. The GDBM documentation doesn't imply that files from untrusted sources can be safely used with C<libgdbm>. Systems that don't use GDBM compatibilty for ndbm support will be using a platform specific library, possibly inherited from BSD systems, where it may or may not be safe to use an untrusted file. A maliciously crafted file might cause perl to crash or even expose a security vulnerability. =head1 BUGS AND WARNINGS There are a number of limits on the size of the data that you can store in the NDBM file. The most important is that the length of a key, plus the length of its associated value, may not exceed 1008 bytes. See L<perlfunc/tie>, L<perldbmfilter>, L<Fcntl> =cut
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