LNATION

File::Raw · File::Raw::Base64 0.05

File::Raw::Base64

Base64 and base64url, PEM included, as File::Raw plugins.

Encoded files read as their bytes and bytes written encoded: standard and URL-safe alphabets, wrapped lines, padding on or off, and PEM's BEGIN and END lines handled on the way in and out.

Registers base64base64url

The reference On CPAN 

use File::Raw ();
use File::Raw::Base64;

my $bytes = File::Raw::slurp('token.b64', plugin => 'base64');

File::Raw::spew('blob.b64', $bytes, plugin => 'base64', wrap => 64);

# PEM: the BEGIN/END lines go on the way in, come back on the way out.
File::Raw::spew('cert.pem', $bytes,
    plugin => 'base64', pem => 1, pem_label => 'CERTIFICATE');
my $der = File::Raw::slurp('cert.pem', plugin => 'base64', pem => 1);

What you get

  • Two alphabets

    base64, and base64url with - and _ for tokens and URLs.

  • PEM

    pem => 1 strips the BEGIN and END lines on read and writes them, with your pem_label, on write.

  • Wrapped or not

    wrap => 64 for PEM, 76 for MIME, or one line, and padding on or off.

The numbers

Against the fastest alternative that was installed, and shown whichever way it went.

  • 2.0x read a base64 file holding 1 MB of bytes, against MIME::Base64 File::Raw::Base64 0.05 at 2410/s, MIME::Base64 3.16_01 at 1188/s
  • 1.7x write 1 MB of bytes as base64, 76 a line, against MIME::Base64 File::Raw::Base64 0.05 at 2404/s, MIME::Base64 3.16_01 at 1381/s

Measured on Apple M5, darwin with perl 5.42.0, 2026-10-19: each entry timed for 3 CPU seconds by the Benchmark module, 3 times, the median kept, after checking that both sides produced the same result. Every number.

Works with

Chains from its documentation: the plugins run left to right on a read, right to left on a write.

Get it

cpanm File::Raw::Base64

The reference File::Raw::Base64 on CPAN

The reference

Every File::Raw dist