| 1 | =head1 NAME |
1 | =head1 NAME |
| 2 | |
2 | |
| 3 | Compress::LZF - extremely light-weight Lev-Zimpel-Free compression |
3 | Compress::LZF - extremely light-weight Lempel-Ziv-Free compression |
| 4 | |
4 | |
| 5 | =head1 SYNOPSIS |
5 | =head1 SYNOPSIS |
| 6 | |
6 | |
| 7 | # import compress/decompress functions |
7 | # import compress/decompress functions |
| 8 | use Compress::LZF; |
8 | use Compress::LZF; |
| … | |
… | |
| 23 | LZF is an extremely fast (not that much slower than a pure memcpy) |
23 | LZF is an extremely fast (not that much slower than a pure memcpy) |
| 24 | compression algorithm. It is ideal for applications where you want to save |
24 | compression algorithm. It is ideal for applications where you want to save |
| 25 | I<some> space but not at the cost of speed. It is ideal for repetitive |
25 | I<some> space but not at the cost of speed. It is ideal for repetitive |
| 26 | data as well. The module is self-contained and very small (no large |
26 | data as well. The module is self-contained and very small (no large |
| 27 | library to be pulled in). It is also free, so there should be no problems |
27 | library to be pulled in). It is also free, so there should be no problems |
| 28 | incoporating this module into commercial programs. |
28 | incorporating this module into commercial programs. |
| 29 | |
29 | |
| 30 | I have no idea wether any patents in any countries apply to this |
30 | I have no idea wether any patents in any countries apply to this |
| 31 | algorithm, but at the moment it is believed that it is free from any |
31 | algorithm, but at the moment it is believed that it is free from any |
| 32 | patents. |
32 | patents. |
| 33 | |
33 | |
| … | |
… | |
| 84 | function automatically detects all the different sfreeze formats. |
84 | function automatically detects all the different sfreeze formats. |
| 85 | |
85 | |
| 86 | =head2 Compress::LZF::set_serializer $package, $freeze, $thaw |
86 | =head2 Compress::LZF::set_serializer $package, $freeze, $thaw |
| 87 | |
87 | |
| 88 | Set the serialize module and functions to use. The default is "Storable", |
88 | Set the serialize module and functions to use. The default is "Storable", |
| 89 | "Storable::mstore" and "Storable::mretrieve", which should be fine for |
89 | "Storable::net_mstore" and "Storable::mretrieve", which should be fine for |
| 90 | most purposes. |
90 | most purposes. |
| 91 | |
91 | |
| 92 | =head1 SEE ALSO |
92 | =head1 SEE ALSO |
| 93 | |
93 | |
| 94 | Other Compress::* modules, especially Compress::LZV1 (an older, less |
94 | Other Compress::* modules, especially Compress::LZV1 (an older, less |
| … | |
… | |
| 109 | package Compress::LZF; |
109 | package Compress::LZF; |
| 110 | |
110 | |
| 111 | require Exporter; |
111 | require Exporter; |
| 112 | require DynaLoader; |
112 | require DynaLoader; |
| 113 | |
113 | |
| 114 | $VERSION = '1.401'; |
114 | $VERSION = '1.8'; |
| 115 | @ISA = qw/Exporter DynaLoader/; |
115 | @ISA = qw/Exporter DynaLoader/; |
| 116 | %EXPORT_TAGS = ( |
116 | %EXPORT_TAGS = ( |
| 117 | freeze => [qw(sfreeze sfreeze_cr sfreeze_c sthaw)], |
117 | freeze => [qw(sfreeze sfreeze_cr sfreeze_c sthaw)], |
| 118 | compress => [qw(compress decompress)], |
118 | compress => [qw(compress decompress)], |
| 119 | ); |
119 | ); |
