Perl…perlじゃないか!! むかしは時々書いてたんだけどなあ
$ perl --version | head
This is perl 5, version 34, subversion 0 (v5.34.0) built for x86_64-linux-gnu-thread-multi
(with 58 registered patches, see perl -V for more detail)
Copyright 1987-2021, Larry Wall
Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License, which may be found in the Perl 5 source kit.
Complete documentation for Perl, including FAQ lists, should be found on