As of version 0.36, the namespace of the Perl ECS code was changed from ECS to EMDIS::ECS. This name change has made it possible for the module to be hosted on CPAN without occupying a top-level namespace.
It is now possible to install EMDIS::ECS directly from CPAN. Example:
sudo perl -MCPAN -e 'install EMDIS::ECS'
Alternatively, the cpanminus tool offers an easy way to install Perl modules into a local-lib directory. Example:
cpanm --local-lib ${HOME}/perl-local-lib EMDIS::ECS