There's no easy install methods for small simple scripts that doesn't involve multiple manual steps, have an automated upgrade path, is cross platform and is consistent+familiar to a large subset of developers.
Of the options out there for the above, npm - while hassle if you don't have it already installed - is probably the closest balance of maintainer and end-developer convenience.
Of the options out there for the above, npm - while hassle if you don't have it already installed - is probably the closest balance of maintainer and end-developer convenience.