Table of Contents

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

Report bugs to <bug-coreutils@gnu.org>.

Copyright

Copyright (C) 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.

See Also

The full documentation for tac is maintained as a Texinfo manual. If the info and tac programs are properly installed at your site, the command

info tac

should give you access to the complete manual.

Table of Contents