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- TAC(1L) TAC(1L)
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- NAME
- tac - concatenate and print files in reverse
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- SYNOPSIS
- tac [-br] [-s separator] [--before] [--regex] [--separa-
- tor=separator] [--help] [--version] [file...]
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- DESCRIPTION
- This manual page documents the GNU version of tac. tac
- copies each given file, or the standard input if none are
- given or when a file name of `-' is encountered, to the
- standard output with the order of the records reversed.
- The records are separated by instances of a string, or a
- newline if none is given. By default, the separator
- string is attached to the end of the record that it fol-
- lows in the file.
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- OPTIONS
- -b, --before
- The separator is attached to the beginning of the
- record that it precedes in the file.
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- -r, --regex
- The separator is a regular expression.
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- -s, --separator separator
- Use separator as the record separator.
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- --help Print a usage message and exit with a non-zero sta-
- tus.
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- --version
- Print version information on standard error then
- exit.
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- FSF GNU Text Utilities 1
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