how to delete all files except the latest three in a folder

Question

I have a folder which contains some subversion revision checkouts (these are checked out when running a capistrano deployment recipe).

what I want to do really is t

Answer 1

Below is a useful way of doing the task.......!!

for Linux and HP-UX:

ls -t1 | tail -n +50 | xargs rm -r # to leave latest 50 files/directories.

for SunOS:

rm `(ls -t |head -n 100; ls)|sort|uniq -u`