tac - concatenate and print files in reverse
Synopsis
Description
Author
Copyright
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.
Report tac bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report tac translation bugs to <http://translationproject.org/team/>
Copyright © 2011 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)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
should give you access to the complete manual.
info coreutils tac invocation
GNU coreutils 8.12.197-032bb | TAC (1) | September 2011 |