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

COPYRIGHT

Copyright © 2017 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.

SEE ALSO

rev(1)
Full documentation at: <http://www.gnu.org/software/coreutils/tac>
 
or available locally via: info '(coreutils) tac invocation'
September 2017 GNU coreutils 8.28