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详解Linux下dust工具

dust是一个提供文件类型和元数据的工具。如果你在一个目录中运行了dust,它将以几种方式报告该目录的磁盘利用率。它提供了一个信息量很大的图表,告诉你哪个文件夹使用的磁盘空间最大。如果有嵌套的文件夹,你可以看到每个文件夹使用的空间百分比,下面重点为大家讲解一下dust具体使用方法。

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安装 dust

你可以使用 Rust 的 Cargo 包管理器安装 dust:

$ cargo install du-dust

另外,你可以在 Linux 上的软件库中找到它,在 macOS 上,可以使用 MacPorts 或 Homebrew。

探索 dust

在一个目录中执行 dust 命令,会返回一个图表,以树状格式显示其内容和每个项目所占的百分比。

$ dust
5.7M   ┌── exa                                                           │                                                ██ │   2%
5.9M   ├── tokei                                                         │                                                ██ │   2%
6.1M   ├── dust                                                          │                                                ██ │   2%
6.2M   ├── tldr                                                          │                                                ██ │   2%
9.4M   ├── fd                                                            │                                                ██ │   4%
2.9M   │ ┌── exa                                                         │                                              ░░░█ │   1%
 15M   │ ├── rustdoc                                                     │                                              ░███ │   6%
 18M   ├─┴ bin                                                           │                                              ████ │   7%
 27M   ├── rg                                                            │                                            ██████ │  11%
1.3M   │     ┌── libz-sys-1.1.3.crate                                    │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   0%
1.4M   │     ├── libgit2-sys-0.12.19+1.1.0.crate                         │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   1%
4.5M   │   ┌─┴ github.com-1ecc6299db9ec823                               │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   2%
4.5M   │ ┌─┴ cache                                                       │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█ │   2%
1.0M   │ │   ┌── git2-0.13.18                                            │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   0%
1.4M   │ │   ├── exa-0.10.1                                              │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
1.5M   │ │   │ ┌── src                                                   │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
2.2M   │ │   ├─┴ idna-0.2.3                                              │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
1.2M   │ │   │       ┌── linux                                           │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   0%
1.6M   │ │   │     ┌─┴ linux_like                                        │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
2.6M   │ │   │   ┌─┴ unix                                                │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
3.1M   │ │   │ ┌─┴ src                                                   │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
3.1M   │ │   ├─┴ libc-0.2.94                                             │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
1.2M   │ │   │     ┌── test                                              │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   0%
2.6M   │ │   │   ┌─┴ zlib-ng                                             │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
904K   │ │   │   │   ┌── vstudio                                         │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   0%
2.0M   │ │   │   │ ┌─┴ contrib                                           │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
3.4M   │ │   │   ├─┴ zlib                                                │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
6.1M   │ │   │ ┌─┴ src                                                   │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓██ │   2%
6.1M   │ │   ├─┴ libz-sys-1.1.3                                          │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓██ │   2%
1.6M   │ │   │     ┌── pcre                                              │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
2.5M   │ │   │   ┌─┴ deps                                                │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
3.8M   │ │   │   ├── src                                                 │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓▓█ │   1%
7.4M   │ │   │ ┌─┴ libgit2                                               │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓██ │   3%
7.6M   │ │   ├─┴ libgit2-sys-0.12.19+1.1.0                               │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▓▓██ │   3%
 26M   │ │ ┌─┴ github.com-1ecc6299db9ec823                               │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░██████ │  10%
 26M   │ ├─┴ src                                                         │               ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░██████ │  10%
932K   │ │   ┌── .cache                                                  │               ░░░░░░▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█ │   0%
 11M   │ │   │     ┌── pack-c3e3a51a17096a3078196f3f014e02e5da6285aa.idx │               ░░░░░░▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓███ │   4%
135M   │ │   │     ├── pack-c3e3a51a17096a3078196f3f014e02e5da6285aa.pack│               ░░░░░░▓▓███████████████████████████ │  53%
147M   │ │   │   ┌─┴ pack                                                │               ░░░░░░█████████████████████████████ │  57%
147M   │ │   │ ┌─┴ objects                                               │               ░░░░░░█████████████████████████████ │  57%
147M   │ │   ├─┴ .git                                                    │               ░░░░░░█████████████████████████████ │  57%
147M   │ │ ┌─┴ github.com-1ecc6299db9ec823                               │               ░░░░░░█████████████████████████████ │  57%
147M   │ ├─┴ index                                                       │               ░░░░░░█████████████████████████████ │  57%
178M   ├─┴ registry                                                      │               ███████████████████████████████████ │  69%
257M ┌─┴ .                                                               │██████████████████████████████████████████████████ │ 100%
$

将 dust 应用于一个特定的目录:

$ dust ~/Work/

在 Linux 上用 dust 代替 du更直观在 Linux 上用 dust 代替 du更直观 Dust output from a specific directory

-r 选项以相反的顺序显示输出,“根”在底部:

$ dust -r ~/Work/

使用 dust -d 3 会返回三层的子目录和它们的磁盘利用率:

$ dust -d 3 ~/Work/wildfly/jaxrs/target/classes
4.0K     ┌── jaxrs.xml                                                           │                                         █ │   1%
4.0K   ┌─┴ subsystem-templates                                                   │                                         █ │   1%
4.0K   │   ┌── org.jboss.as.controller.transform.ExtensionTransformerRegistration│                                         █ │   1%
4.0K   │   ├── org.jboss.as.controller.Extension                                 │                                         █ │   1%
8.0K   │ ┌─┴ services                                                            │                                         █ │   2%
8.0K   ├─┴ META-INF                                                              │                                         █ │   2%
4.0K   │ ┌── jboss-as-jaxrs_1_0.xsd                                              │                                        ░█ │   1%
8.0K   │ ├── jboss-as-jaxrs_2_0.xsd                                              │                                        ░█ │   2%
 12K   ├─┴ schema                                                                │                                        ██ │   3%
408K   │   ┌── as                                                                │  ████████████████████████████████████████ │  94%
408K   │ ┌─┴ jboss                                                               │  ████████████████████████████████████████ │  94%
408K   ├─┴ org                                                                   │  ████████████████████████████████████████ │  94%
432K ┌─┴ classes                                                                 │██████████████████████████████████████████ │ 100%
$

总结

dust 的魅力在于它是一个小而简单的、易于理解的命令。它使用颜色方案来表示最大的子目录,使你的目录易于可视化。这是一个受欢迎的项目,欢迎大家来贡献。

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