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man pages section 1: User Commands

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Updated: July 2017
 
 

tac (1)

Name

tac - concatenate and print files in reverse

Synopsis

tac [OPTION]... [FILE]...

Description

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
       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
       Copyright  (C) 2012 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.


ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:


       +---------------+--------------------+
       |ATTRIBUTE TYPE |  ATTRIBUTE VALUE   |
       +---------------+--------------------+
       |Availability   | file/gnu-coreutils |
       +---------------+--------------------+
       |Stability      | Uncommitted        |
       +---------------+--------------------+
SEE ALSO
       The  full  documentation for tac is maintained as a Texinfo manual.  If
       the info and tac programs are properly installed at your site, the com-
       mand

              info coreutils 'tac invocation'

       should give you access to the complete manual.



NOTES
       This     software     was    built    from    source    available    at
       https://java.net/projects/solaris-userland.   The  original   community
       source   was  downloaded  from   http://ftp.gnu.org/gnu/coreutils/core-
       utils-8.16.tar.xz

       Further information about this software can be found on the open source
       community website at http://www.gnu.org/software/coreutils/.



GNU coreutils 8.16                March 2012                            TAC(1)