tac man page

tac — concatenate and print files in reverse

TL;DR

tac {{file1}}

tac {{file1}} {{file2}} > {{target_file}}

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: <http://www.gnu.org/software/coreutils/>
Report tac translation bugs to <http://translationproject.org/team/>

See Also

rev(1)

Full documentation at: <http://www.gnu.org/software/coreutils/t…>
or available locally via: info '(coreutils) tac invocation'

Referenced By

cat(1), rev(1).

January 2016 GNU coreutils 8.25 User Commands