Files
tldr/pages.zh/common/cat.md

24 lines
548 B
Markdown
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# cat
> 打印和连接文件。
> 更多信息:<https://manned.org/cat.1posix>。
- 将文件的内容打印到 `stdout`
`cat {{path/to/file}}`
- 将多个文件连接成一个输出文件:
`cat {{path/to/file1 path/to/file2 ...}} > {{path/to/output_file}}`
- 将多个文件附加到输出文件:
`cat {{path/to/file1 path/to/file2 ...}} >> {{path/to/output_file}}`
- 将文件的内容复制到输出文件而不进行缓冲:
`cat -u {{/dev/tty12}} > {{/dev/tty13}}`
-`stdin` 写入文件:
`cat - > {{path/to/file}}`