Package: rubygem-hoe

"rubygem-hoe" package binaries on CentOS:

/usr/bin/sow /usr/lib/ruby/gems/1.8/gems/hoe-3.13.0/bin/sow /usr/lib/ruby/gems/1.8/gems/hoe-3.13.0/template/bin/file_name.erb

You may install this package on CentOS with yum install rubygem-hoe