Create a temporary (not persisted) job in alfresco to run javascript code in the backend

alfresco-start-temporary-job-in-repository.js

jobs.scheduleTemporaryJob({
	jobName: 'SimpleAuthorModificationJob',
	runAs: 'system',
	cronExpression: '0 0/1 * 1/1 * ? *',
	script: function(){
		batchExecuter.processFolderRecursively({
			'root': repository.getCompanyHome(),
			onNode: function(node) {
				if (node.isDocument) {
					node.properties['cm:author'] = 'Alfresco';
					node.save();
				}
			}
		});
	}
});