tac(1) concatenate and print files in reverse


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
display this help and exit
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 © 2016 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.