cut 行数据操作

最新推荐文章于 2024-10-21 17:30:00 发布

cm00337533

最新推荐文章于 2024-10-21 17:30:00 发布

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分类专栏： Shell Script 文章标签： Blog C C++ C# F#

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本文详细介绍了Linux命令行工具cut的功能和用法，包括如何使用各种选项来选择文件中特定的字节、字符或字段，适用于需要从文件中提取特定部分进行处理的场景。

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http://blog.sina.com.cn/s/blog_6238358c0100hb90.html

NAME
cut - remove sections from each line of files

SYNOPSIS
cut [OPTION]... [FILE]...

DESCRIPTION
Print selected parts of lines from each FILE to standard output.

Mandatory arguments to long options are mandatory for short options too.

-b, --bytes=LIST
select only these bytes

-c, --characters=LIST
select only these characters

-d, --delimiter=DELIM
use DELIM instead of TAB for field delimiter

-f, --fields=LIST
select only these fields; also print any line that contains no delimiter character,
unless the -s option is specified

-n with -b: don’t split multibyte characters

--complement
complement the set of selected bytes, characters or fields.

-s, --only-delimited
do not print lines not containing delimiters