Unix Shell Programming: Add a blank line when printing

Question

I am trying to list all the files in the directory but how would you separate each of the files by a blank line? basically each file displayed by separated by a blank line? I am

Answer 1

Not sure how portable the options -d and -t are, but pr is ubiquitous:

$ ls | pr -dt

Note that any file names with an embedded carriage return will have an extra carriage return added in the output. (I believe that problem occurs with all of the solutions presented so far.)