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GNU coreutils 8.32
March 2020

coreutils

The basic file, shell and text manipulation utilities of the GNU operating system

coreutils-common

coreutils common optional components

coreutils-doc

Documentation for the GNU Core Utilities

NAME

tac - concatenate and print files in reverse

SYNOPSIS

tac [\,OPTION\/]... [\,FILE\/]...

DESCRIPTION

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

AUTHOR

Written by Jay Lepreau and David MacKenzie.

REPORTING BUGS

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT

Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://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.

SEE ALSO

rev(1)
Full documentation <https://www.gnu.org/software/coreutils/tac>
or available locally via: info \(aq(coreutils) tac invocation\(aq

REFERENCED BY

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