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7z linux压缩命令行,教你Centos7中使用7zip压缩命令工具

作者：凡人多烦事01 | 2024-04-23 08:13:00

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linux 7-zip命令

教你Centos7中使用7zip压缩命令工具

7-Zip是一个支持7z(它实现了LZMA压缩算法，具有非常高的压缩比)、LZMA2、XZ、ZIP、Zip64、CAB、ARJ、GZIP、BZIP2、TAR、CPIO、RPM、ISO、大多数文件系统映像和DEB格式的文件归档器。RAR格式由于不是免费许可，已经被删除了。文内含长段代码可复制可往左滑，希望对大家有帮助！

环境

Centos7.7 Minimal

p7zip-16.02

安装

默认Centos7没有安装p7zip安装包，默认源里面也没有这个安装包，需要安装epel源才能安装p7zip安装包。

[root@localhost ~]# yum -y install epel-release

[root@localhost ~]# yum -y install p7zip p7zip-plugins

使用方法

7z命令提供的函数字母与命令行选项类似，但使用时不使用-。这些参数字母告诉命令它需要执行的函数。

压缩文件

创建一个压缩包使用a参数

创建一个7z格式的压缩包：

[root@localhost ~]# 7z a files.7z file1.txt file2.txt file3.txt file4.txt

p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,1 CPU Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (906EA),ASM,AES-NI)

Scanning the drive:

4 files, 0 bytes

Creating archive: files.7z

Items to compress: 4

Files read from disk: 0

Archive size: 143 bytes (1 KiB)

Everything is Ok

执行完命令，查看一下是否已经创建7z格式的压缩包

创建一个包含目录的压缩包：

[root@localhost ~]# 7z a gpg.7z .gnupg/

p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,1 CPU Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (906EA),ASM,AES-NI)

Scanning the drive:

2 folders, 5 files, 8280 bytes (9 KiB)

Creating archive: gpg.7z

Items to compress: 7

Files read from disk: 2

Archive size: 4157 bytes (5 KiB)

Everything is Ok

[root@localhost ~]#

7zip还可以压缩、解压缩其他格式的压缩包。比如：创建一个.zip格式的压缩包。

[root@localhost ~]# 7z a files.zip file{1..4}.txt

p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,1 CPU Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (906EA),ASM,AES-NI)

Scanning the drive:

4 files, 0 bytes

Creating archive: files.zip

Items to compress: 4

Files read from disk: 4

Archive size: 542 bytes (1 KiB)

Everything is Ok

列出压缩包里面的内容

列出压缩包的内容使用l参数：

[root@localhost ~]# 7z l gpg.7z

p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,1 CPU Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (906EA),ASM,AES-NI)

Scanning the drive for archives:

1 file, 4157 bytes (5 KiB)

Listing archive: gpg.7z

Path = gpg.7z

Type = 7z

Physical Size = 4157

Headers Size = 278

Method = LZMA2:12k

Solid = +

Blocks = 1

Date Time Attr Size Compressed Name

------------------- ----- ------------ ------------ ------------------------

2020-01-04 18:24:05 D.... 0 0 .gnupg

2020-01-04 18:22:36 D.... 0 0 .gnupg/private-keys-v1.d

2020-01-04 18:24:48 ....A 0 0 .gnupg/S.gpg-agent

2020-01-04 18:22:36 ....A 0 0 .gnupg/pubring.gpg

2020-01-04 18:24:05 ....A 0 0 .gnupg/secring.gpg

2020-01-04 18:22:36 ....A 7680 3879 .gnupg/gpg.conf

2020-01-04 18:24:52 ....A 600 .gnupg/random_seed

------------------- ----- ------------ ------------ ------------------------

2020-01-04 18:24:52 8280 3879 5 files, 2 folders

解压文件

使用e来解压文件，解压所有文件到当前目录。(不推荐使用)

[root@localhost test]# 7z e gpg.7z

p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,1 CPU Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (906EA),ASM,AES-NI)

Scanning the drive for archives:

1 file, 4157 bytes (5 KiB)

Extracting archive: gpg.7z

Path = gpg.7z

Type = 7z

Physical Size = 4157

Headers Size = 278

Method = LZMA2:12k

Solid = +

Blocks = 1

Everything is Ok

Folders: 2

Files: 5

Size: 8280

Compressed: 4157

可以看到所有文件都解压到当前目录了。

现在使用x参数解压文件看一下。

[root@localhost test]# 7z x gpg.7z

p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,1 CPU Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (906EA),ASM,AES-NI)

Scanning the drive for archives:

1 file, 4157 bytes (5 KiB)

Extracting archive: gpg.7z

Path = gpg.7z

Type = 7z

Physical Size = 4157

Headers Size = 278

Method = LZMA2:12k

Solid = +

Blocks = 1

Everything is Ok

Folders: 2

Files: 5

Size: 8280

Compressed: 4157

可以看到解压出来的文件，按照原来文件的目录形式解压出来的。

更新压缩包

一段时间之后，需要将一些新文件添加到文件夹中，并且希望将他们添加到压缩包里面，可以不用创建一个新的压缩包，只需要更新现有的压缩包就可以。

首先将test目录压缩

[root@localhost test]# 7z a files.7z test/

p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,1 CPU Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (906EA),ASM,AES-NI)

Scanning the drive:

1 folder, 4 files, 0 bytes

Creating archive: files.7z

Items to compress: 5

Files read from disk: 0

Archive size: 158 bytes (1 KiB)

Everything is Ok

在test文件夹中创建几个文件，然后再更新压缩包：

[root@localhost test]# touch test/file{5..10}.txt

[root@localhost test]# 7z u files.7z test/

p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,1 CPU Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (906EA),ASM,AES-NI)

Open archive: files.7z

Path = files.7z

Type = 7z

Physical Size = 158

Headers Size = 158

Solid = -

Blocks = 0

Scanning the drive:

1 folder, 10 files, 0 bytes

Updating archive: files.7z

Items to compress: 7

Files read from disk: 0

Archive size: 186 bytes (1 KiB)

Everything is Ok

查看一下是否已经添加文件。

[root@localhost test]# 7z l files.7z

p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,64 bits,1 CPU Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (906EA),ASM,AES-NI)

Scanning the drive for archives:

1 file, 186 bytes (1 KiB)

Listing archive: files.7z

Path = files.7z

Type = 7z

Physical Size = 186

Headers Size = 186

Solid = -

Blocks = 0

Date Time Attr Size Compressed Name

------------------- ----- ------------ ------------ ------------------------

2020-03-11 14:24:54 D.... 0 0 test

2020-03-11 14:18:22 ....A 0 0 test/file1.txt

2020-03-11 14:24:54 ....A 0 0 test/file10.txt

2020-03-11 14:18:22 ....A 0 0 test/file2.txt

2020-03-11 14:18:22 ....A 0 0 test/file3.txt

2020-03-11 14:18:22 ....A 0 0 test/file4.txt

2020-03-11 14:24:54 ....A 0 0 test/file5.txt

2020-03-11 14:24:54 ....A 0 0 test/file6.txt

2020-03-11 14:24:54 ....A 0 0 test/file7.txt

2020-03-11 14:24:54 ....A 0 0 test/file8.txt

2020-03-11 14:24:54 ....A 0 0 test/file9.txt

------------------- ----- ------------ ------------ ------------------------

2020-03-11 14:24:54 0 0 10 files, 1 folders

总结

本文至此结束，7z格式的压缩比例比ZIP格式的压缩比例高30%-50%。

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