tac (1)

tac [OPTION]... [FILE]...

Write each FILE to standard output, last line first. With no FILE, or when FILE is -, read standard input.

Mandatory arguments to long options are mandatory for short options too.

-b, --before

attach the separator before instead of after

-r, --regex

interpret the separator as a regular expression

-s, --separator=STRING

use STRING as the separator instead of newline

--help

display this help and exit

--version

output version information and exit

Written by Jay Lepreau and David MacKenzie.

GNU coreutils online help: <http://www.gnu.org/software/coreutils/>

Report tac translation bugs to <http://translationproject.org/team/>

Copyright © 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.

This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

rev(1)

Full documentation at: <http://www.gnu.org/software/coreutils/tac>

or available locally via: info '(coreutils) tac invocation'