tac(1) - phpMan

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: <https://www.gnu.org/software/coreutils/>;
       Report tac translation bugs to <https://translationproject.org/team/>;
COPYRIGHT
       Copyright (C) 2018 Free Software Foundation, Inc.  License GPLv3+:  GNU
       GPL version 3 or later <https://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: <https://www.gnu.org/software/coreutils/tac>;
       or available locally via: info '(coreutils) tac invocation'
GNU coreutils 8.30                 July 2018                            TAC(1)