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  2016 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'




Free and Open Source Software


Free Software Video

Useful Programs

Free Online Courses

Open Opportunity

Open Business