update rmdirs

zsh/customizations/zsh_aliases.zsh

@@ -33,7 +33,17 @@ alias mv='mv -i'
 
 function rmdirs()
 {
-  [[ -z $(find $@ -not -type d | tee /dev/stderr | head -n10) ]] && rm -Ir $@ || >&2 echo Files were found, please check again or run rm -Ir manually
+  RESULT=$(find $@ -not -type d)
+  if [[ -z $RESULT ]]; then
+    rm -Ir $@
+  else
+    results=$(wc -l <<<$RESULT)
+    >&2 echo "$results file(s) were found, please check again or run rm -Ir manually:"
+    echo $RESULT | head -n10 >&2
+    if [[ $results -gt 10 ]]; then
+      >&2 echo "... additional files elided"
+    fi
+  fi
 }
 
 # Use a larger number of KDF rounds and the secure ed25519 key type by default.