directory to the cache:
@lisp
-(eval-after-load "filecache"
- '(file-cache-add-directory
- "@trampfn{ssh,news@@news.my.domain,/opt/news/etc/}"))
+(with-eval-after-load "filecache"
+ (file-cache-add-directory
+ "@trampfn{ssh,news@@news.my.domain,/opt/news/etc/}"))
@end lisp
Then use directory completion in the minibuffer with @kbd{C-x C-f