ls -l | awk '{print $5, $6, $7, $9}'
Isso imprimirá o tamanho do arquivo em bytes, mês, data e nome do arquivo.
jin@encrypt /tmp/foo % ls -l
total 0
drwxr-xr-x 2 jin wheel 68 Oct 4 12:43 bar
drwxr-xr-x 2 jin wheel 68 Oct 4 12:43 baz
drwxr-xr-x 2 jin wheel 68 Oct 4 12:43 quux
jin@encrypt /tmp/foo % ls -l | awk '{print $5, $6, $7, $9}'
68 Oct 4 bar
68 Oct 4 baz
68 Oct 4 quux