App::Licensecheck - functions for a simple license checker for source files


Version v3.3.9


    use Path::Tiny;
    use App::Licensecheck;

    my $tempfile = Path::Tiny->tempfile;

# Dummy file simply stating some copyright and license.
# Copyright (C) 2020, 2022  Foo Bar.
# This file is licensed under version 2 or later of the GPL.

    my $app = App::Licensecheck->new( top_lines => 0 );  # Parse whole files

    my @output = $app->parse($tempfile);

    my $license    = $output[0];  # => is "GPL-2.0-or-later"
    my $copyrights = $output[1];  # => is "2020, 2022 Foo Bar."


App::Licensecheck is the core of licensecheck script to check for licenses of source files. See the script for casual usage.


Jonas Smedegaard <>


This program is based on the script "licensecheck" from the KDE SDK, originally introduced by Stefan Westerfeld <>.

  Copyright © 2007, 2008 Adam D. Barratt

  Copyright © 2012 Francesco Poli

  Copyright © 2016-2022 Jonas Smedegaard

  Copyright © 2017-2022 Purism SPC

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see <>.