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Editing: README (1.17 KB)

Digest::CRC version 0.22
========================

NAME
    Digest::CRC - Generic CRC functions

DESCRIPTION
    The Digest::CRC module calculates CRC sums of all sorts.  It contains
    wrapper functions with the correct parameters for CRC-CCITT, CRC-16 and
    CRC-32.

SYNOPSIS
    # Functional style

    use Digest::CRC qw(crc32 crc16 crcccitt crc);
    $crc = crc32("123456789");
    $crc = crc16("123456789");
    $crc = crcccitt("123456789");

    $crc = crc($input,$width,$init,$xorout,$poly,$refin,$refout);

    # OO style
    use Digest::CRC;

    $ctx = Digest::CRC->new(type=>"crc16");
    $ctx = Digest::CRC->new(width=>16, init=>0x0000, xorout=>0x0000,
                            poly=>0x8005, refin=>1, refout=>1);
    $ctx->add($data);
    $ctx->addfile(*FILE);

    $digest = $ctx->digest;
    $digest = $ctx->hexdigest;
    $digest = $ctx->b64digest;

INSTALLATION

To install this module type the following:

   perl Makefile.PL
   make
   make test
   make install

COPYRIGHT AND LICENCE
   CRC algorithm code taken from "A PAINLESS GUIDE TO CRC ERROR DETECTION
   ALGORITHMS".

   The author of this package disclaims all copyrights and releases it
   into the public domain.