more flexible hash-bang
more flexible hash-bang

Ran into issue with FreeBSD bash, which is located at /usr/local/bin/bash.
ngpestelos/ruby-install,FreedomBen/ruby-install,firstval/ruby-install,gevans/miner-install,postmodern/ruby-install,boone/ruby-install,regularfry/ruby-install,PLOS/ruby-install,PLOS/ruby-install,ngpestelos/ruby-install,firstval/ruby-install,bascht/ruby-install,regularfry/ruby-install,FreedomBen/ruby-install,bascht/ruby-install,boone/ruby-install,postmodern/ruby-install