1TAC(1)                           User Commands                          TAC(1)
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NAME

6       tac - concatenate and print files in reverse
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SYNOPSIS

9       tac [OPTION]... [FILE]...
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DESCRIPTION

12       Write  each FILE to standard output, last line first.  With no FILE, or
13       when FILE is -, read standard input.
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15       Mandatory arguments to long options are  mandatory  for  short  options
16       too.
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18       -b, --before
19              attach the separator before instead of after
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21       -r, --regex
22              interpret the separator as a regular expression
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24       -s, --separator=STRING
25              use STRING as the separator instead of newline
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27       --help display this help and exit
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29       --version
30              output version information and exit
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AUTHOR

33       Written by Jay Lepreau and David MacKenzie.
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REPORTING BUGS

36       Report bugs to <bug-coreutils@gnu.org>.
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39       Copyright © 2007 Free Software Foundation, Inc.
40       This  is  free  software.   You may redistribute copies of it under the
41       terms      of      the      GNU      General       Public       License
42       <http://www.gnu.org/licenses/gpl.html>.   There  is NO WARRANTY, to the
43       extent permitted by law.
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SEE ALSO

46       The full documentation for tac is maintained as a Texinfo  manual.   If
47       the info and tac programs are properly installed at your site, the com‐
48       mand
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50              info tac
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52       should give you access to the complete manual.
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56GNU coreutils 6.9                 March 2008                            TAC(1)
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