date: 2020-10-20T09:26:21+08:00 # 创建日期 author: "Rustle Karl" # 作者

文章

title: "cat 打印到标准输出" # 文章标题

description: "文章描述"

url: "posts/linux/tools/standard/cat" # 设置网页永久链接 tags: [ "linux", "cmd" ] # 标签 series: [ "Linux 学习笔记" ] # 系列 categories: [ "学习笔记" ] # 分类

weight: 20 # 排序优先级 chapter: false # 设置为章节

将一个或多个文件的内容打印到标准输出

cat [OPTION]... [FILE]...

参数	作用
-A, --show-all	equivalent to -vET
-b, --number-nonblank	number nonempty output lines, overrides -n
-e	equivalent to -vE
-E, --show-ends	display at end of each line
-n, --number	number all output lines
-s, --squeeze-blank	suppress repeated empty output lines
-t	equivalent to -vT
-T, --show-tabs	display TAB characters as ^I
-u	(ignored)
-v, --show-nonprinting	use ^ and M- notation, except for LFD and TAB
--help	display this help and exit
--version	output version information and exit

cat -n