Linux Blog

TAC

Section: User Commands (1)
Updated: March 2007
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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 © 2007 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.


 

Index

NAME
SYNOPSIS
DESCRIPTION
AUTHOR
REPORTING BUGS
COPYRIGHT
SEE ALSO