tac(1)



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 (C) 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'

GNU coreutils 8.28               October 2017                           TAC(1)

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