linux命令之paste
1.paste介绍
linux命令paste命令是把每个文件以列对列的方式,一列列地加以合并
2.paste用法
paste [参数] filename...
paste参数
参数 | 说明 |
-d | 使用指定的分隔符进行合并 |
-s | 以行来指定文件 |
3.实例
3.1.使用冒号(:)合并文件
命令:
paste -d : ztj-1.txt ztj-2.txt
[root@rhel77 ztj.bak]# cat ztj-1.txt
1
3
5
7
9
[root@rhel77 ztj.bak]# cat ztj-2.txt
2
4
6
8
10
[root@rhel77 ztj.bak]# paste -d : ztj-1.txt ztj-2.txt
1:2
3:4
5:6
7:8
9:10
[root@rhel77 ztj.bak]#
3.2.将文件中的多行数据合并为一行进行显示
命令:
paste -s ztj-1.txt
[root@rhel77 ztj.bak]# cat ztj-1.txt
1
3
5
7
9
[root@rhel77 ztj.bak]# paste -s ztj-1.txt
1 3 5 7 9(仅调整输出方式,并不会改变源文件的格式)
[root@rhel77 ztj.bak]#
3.3.以行来指定文件
命令:
paste -sd "=\n" ztj-1.txt
[root@rhel77 ztj.bak]# paste -sd "=\n" ztj-1.txt
1=3
5=7
9
[root@rhel77 ztj.bak]#
3.4.显示命令帮助信息
命令:
paste --help
[root@rhel77 ztj.bak]# paste --help
Usage: paste [OPTION]... [FILE]...
Write lines consisting of the sequentially corresponding lines from
each FILE, separated by TABs, to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-d, --delimiters=LIST reuse characters from LIST instead of TABs
-s, --serial paste one file at a time instead of in parallel
--help display this help and exit
--version output version information and exit
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
For complete documentation, run: info coreutils 'paste invocation'
[root@rhel77 ztj.bak]#
3.5.显示命令版本信息
命令:
paste --version
[root@rhel77 ztj.bak]# paste --version
paste (GNU coreutils) 8.22
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by David M. Ihnat and David MacKenzie.
[root@rhel77 ztj.bak]#