set backup
-set backupdir=~/tmp/vimbak
set backupcopy=yes
-silent exec "!mkdir -p ~/tmp/vimbak"
-silent exec "!find ~/tmp/vimbak -type f -mtime +3 -delete"
+set directory=~/.cache/vim/swap//
+set backupdir=~/.cache/vim/backup//
+set undodir=~/.cache/vim/undo//
+silent exec "!mkdir -p ~/.cache/vim/{swap,backup,undo}/"
+silent exec '!find ~/.cache/vim/ -type f -mtime +3 -delete'
syntax on