git : git stash #33

	name: directory list
	on:
	push:
	branches:
	- main
	jobs:
	update:
	runs-on: ubuntu-latest
	permissions: write-all
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Append directory tree to README
	run: \|
	sudo apt-get install tree
	sudo rm -rf README.md
	touch README.md
	git add README.md
	echo -e "# study notes \n## My personal study organization note " > README.md
	tree --dirsfirst --noreport -I README.md \| sed 's/^/ /' >> README.md
	- name: push
	run: \|
	git config --global user.email "[email protected]"
	git config --global user.name "GitHub Actions"
	git add .
	git commit -m "Update README with directory list"
	git push origin main

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