Sample code for 30+ languages & platforms
Perl

Calculate MD5 Hash of File (or SHA1, SHA256, and other hash algorithms)

See more Encryption Examples

Demonstrates how to calculate a hash for a file's contents.

Chilkat Perl Downloads

Chilkat2 Perl
use strict;
use warnings;
use Chilkat2;

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

my $crypt = Chilkat2::Crypt2->new;

# Set the name of the hash algorithm.
# Other choices include "sha1", "sha256", "sha384", "sha512", "md2", "md5", and "haval".
$crypt->HashAlgorithm('md5');

# EncodingMode specifies the encoding of the hash output.
# It may be "hex", "url", "base64", or "quoted-printable".
$crypt->EncodingMode('hex');

# Files of any type may be hashed -- it doesn't matter
# if the file is binary or text...
my $hashStr = $crypt->HashFileENC('/temp/something.dat');
if (!$crypt->LastMethodSuccess) {
    print $crypt->LastErrorText, "\n";
    exit;
}

print $hashStr, "\n";