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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 bugs to <bug-coreutils@gnu.org>.

Copyright

Copyright © 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

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 command
info tac

should give you access to the complete manual.


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