update readme

2 years ago · ee31f00576
parent 6ee0445f70
commit ee31f00576
1 changed files with 2 additions and 0 deletions
--- a/tree/README.md
+++ b/tree/README.md
@ -8,3 +8,5 @@ This will make the output "pretty" (i.e. indented).
 To print the output to terminal, run `python tree.py`

 To save to a file, run `python tree.py file.html`.
+
+To append to an already existing file, run `python tree.py >> file.html`