tac Man page

TAC(1) User Commands TAC(1)

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:
Report tac translation bugs to

COPRYRIGHT

Copyright © 2016 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later .
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

Full documentation at:
or available locally via: info ‘(coreutils) tac invocation’

GNU coreutils 8.25 February 2016 TAC(1)