Traverse backwards folderpath to find a folder #nuke

nuke_traverse_backwards.py

def traverseBackwardsAndFindFolder( startPath, searchForFolder ):
	# Usage example: traverseBackwardsAndFindFolder( nuke.root().name(), 'render' )
	returnPath = ''
	for i in range(len(startPath.split('/'))):
		startPath = startPath[:startPath.rfind('/')]

		# Check if it exists
		if (os.path.isdir(startPath + '/' + searchForFolder)):
			returnPath = startPath + '/' + searchForFolder
	
	# If not found
	if returnPath == '':
		print('Error: Cannot find folder + \"' + searchForFolder + '\".')

	return returnPath