Update Markdown Date #9

	name: Update Markdown Date

	on:
	schedule:
	- cron: '0 4 * * *'
	workflow_dispatch:

	permissions:
	contents: write

	jobs:
	update-date:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Update README dates
	run: \|
	today="$(date -u +%Y-%m-%d)"

	if [[ ! -f README.md ]]; then
	echo "README.md not found; nothing to update"
	exit 0
	fi

	sed -E -i "s/^Last updated: .*/Last updated: ${today}/" README.md

	- name: Commit date changes
	run: \|
	if git diff --quiet; then
	echo "No date change required"
	exit 0
	fi
	git config user.name "github-actions[bot]"
	git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
	git add README.md
	git commit -m "docs: update last updated date"
	git push

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