NET::FTP ruby on rails vist parent directory?
net-ftp, ruby, ruby-on-rails, ruby-on-rails-3
Solution
Use `a.chdir('..')` to change to the parent directory if the host platform supports it (pretty much all platforms should) or use `a.sendcmd('CDUP')` to change to the parent directory in a platform-agnostic way.
Problem
``` a=Net::FTP.open('path', 'username','password') a.chdir('any name of directory') ``` But how to visit the parent directory from `a.pwd()`