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TAC

Section: User Commands (1)
Updated: September 2011
Index Return to Main Contents

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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 © 2011 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.shtml>.
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)

The full documentation for tac is maintained as a Texinfo manual. If the info and tac programs are properly installed at your site, the command

info coreutils 'tac invocation'

should give you access to the complete manual.

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Index

NAME

SYNOPSIS

DESCRIPTION

AUTHOR

REPORTING BUGS

COPYRIGHT

SEE ALSO

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