Move output.csv file open to the the main function and limit to rank 0 #558

	name: clang-format Check
	on:
	pull_request:
	jobs:
	formatting-check:
	name: Formatting Check
	runs-on: ubuntu-latest
	if: "!contains(github.event.head_commit.message, 'skip-ci')"
	steps:
	- uses: actions/checkout@v2
	- name: Run clang-format style check for C programs.
	uses: DoozyX/[email protected]
	with:
	source: '.'
	extensions: 'c,h,cpp,hpp'
	clangFormatVersion: 10
	style: file
	# exclude: './config'

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