Name
tac
Synopsis
tac [options
] [file
]
Named for the common command cat, tac prints files in reverse to standard output. Without a filename or with -, it reads from standard input. By default, tac reverses the order of the lines, printing the last line first.
Options
- -b, --before
Print separator (by default a newline) before the string it delimits.
- -r, --regex
Expect separator to be a regular expression.
- -s string, --separator=string
Specify alternate separator (default is newline).
- --help
Print a help message and then exit.
- --version
Print version information and then exit.
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