| Commit | Line | Data |
|---|
| 0e9b1cbd |
1 | package DBM_Filter::compress ; |
| 2 | |
| 3 | use strict; |
| 4 | use warnings; |
| 5 | use Carp; |
| 6 | |
| 7 | our $VERSION = '0.01'; |
| 8 | |
| 9 | BEGIN |
| 10 | { |
| 11 | eval { require Compress::Zlib; Compress::Zlib->import() }; |
| 12 | |
| 13 | croak "Compress::Zlib module not found.\n" |
| 14 | if $@; |
| 15 | } |
| 16 | |
| 17 | |
| 18 | |
| 19 | sub Store { $_ = compress($_) } |
| 20 | sub Fetch { $_ = uncompress($_) } |
| 21 | |
| 22 | 1; |
| 23 | |
| 24 | __END__ |
| 25 | |
| b370a9eb |
26 | =head1 NAME |
| 27 | |
| 28 | DBM_Filter::compress - filter for DBM_Filter |
| 0e9b1cbd |
29 | |
| 30 | =head1 SYNOPSIS |
| 31 | |
| 32 | use SDBM_File; # or DB_File, or GDBM_File, or NDBM_File, or ODBM_File |
| 33 | use DBM_Filter ; |
| 34 | |
| 35 | $db = tie %hash, ... |
| 36 | $db->Filter_Push('compress'); |
| b370a9eb |
37 | |
| 0e9b1cbd |
38 | =head1 DESCRIPTION |
| 39 | |
| 40 | This DBM filter will compress all data before it is written to the database |
| 41 | and uncompressed it on reading. |
| 42 | |
| 43 | A fatal error will be thrown if the Compress::Zlib module is not |
| 44 | available. |
| 45 | |
| 46 | =head1 SEE ALSO |
| 47 | |
| 48 | L<DBM_Filter>, L<perldbmfilter>, L<Compress::Zlib> |
| 49 | |
| 50 | =head1 AUTHOR |
| 51 | |
| 52 | Paul Marquess pmqs@cpan.org |
| 53 | |
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