https://manpages.ubuntu.com/manpages/xenial/man3/CPANPLUS::Selfupdate.3pm.html
Ubuntu Manpage: CPANPLUS::Selfupdate - self-updating for CPANPLUS
self-updating for CPANPLUS
ubuntumanpageselfupdating
https://packagist.org/packages/robertsaupe/php-phar-selfupdate
robertsaupe/php-phar-selfupdate - Packagist.org
php library for phar selfupdate with a manifest file
phppharpackagist
https://rclone.org/commands/rclone_selfupdate/
rclone selfupdate
Update the rclone binary.
rclone