fish: functions/dotg: Sort the results on basis of time

Idea adapted from
https://stackoverflow.com/questions/45500978/vim-fzf-sort-initial-results-on-file-date

fish/.config/fish/functions/dotg.fish

@@ -5,7 +5,7 @@ function dotg --description 'Generate gstreamer dot graph for selected file'
         set dotpath "$GST_DEBUG_DUMP_DOT_DIR"
     end
 
-    find $dotpath -maxdepth 1 -regextype posix-extended -regex ".*\.(dot)" | fzf | read -l result
+    find /tmp/gst-dot -maxdepth 1 -regextype posix-extended -regex ".*\.(dot)" -printf '%T@ %p\n' | sort -k 1 -n -r | fzf | awk -F' ' '{print $2}' | read -l result
 
     if test -n "$result"
         dot -Tsvg "$result" -O