cat -A filename will not function for me, and only replaces tabs with ^I and destinations $ at the end of the line. How can I make the most of cat to print out a file with all tabs and spaces clearly marked? 铁线蕨易于照料，甚至新手也能轻松培养。它对提高室内的湿度有显著效果，有助于缓解干燥。 At the expense of repetition, https://aabyej169elp9.jts-blog.com/profile