From DD-WRT Wiki
Print selected parts of lines from each FILE to standard output.
Usage: cut [OPTION]... [FILE]...
Prints selected fields from each input FILE to standard output.
-b LIST Output only bytes from LIST -c LIST Output only characters from LIST -d CHAR Use CHAR instead of tab as the field delimiter -s Output only the lines containing delimiter -f N Print only these fields -n Ignored
With no FILE, or when FILE is -, read standard input.