NAME
tac - 反转显示文件总览 (SYNOPSIS)
../src/tac [OPTION]... [FILE]...描述 (DESCRIPTION)
把每个文件显示在标准输出，从***一行往前排列。如果没有指定文件或者文件是 -，就从标准输入读取数据。
- -b, --before
- 把 分隔单元 移到 前面, 而不是 后面
- -r, --regex
- 分隔单元 是 正规表达式
- -s, --separator=STRING
- 用 STRING 取代 换行符(newline) 作为 分隔单元
- --help
- 显示 帮助信息, 然后 结束
- --version
- 显示 版本信息, 然后 结束
作者 (AUTHOR)
Jay Lepreau 和 David MacKenzie.
[中文版维护人]
徐明 <xuming@users.sourceforge.net>[中文版***更新]
2003/05/13#p#
NAME
tac - concatenate and print files in reverseSYNOPSIS
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 coreutils tac
should give you access to the complete manual.
