【Shell】Linux目录文件大小

Linux目录大小统计

Linux下统计指定目录下的文件目录和文件的大小(方便日志的清理等)

脚本使用

调用脚本:

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script.sh /path/to/your/directory 2 

目录结构:

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#  /path/to/your/directory
#   |-- subdirectory1
#   |   |-- subsubdirectory1
#   |   |-- subsubdirectory2
#   |-- subdirectory2
#   |   |-- subsubdirectory3
#   |-- subdirectory3

统计输出:

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# -- /path/to/your/directory (大小 4096 )
#     -- subdirectory1 (大小 4096 )
#         -- subsubdirectory1 (大小 0 )
#         -- subsubdirectory2 (大小 0 )
#     -- subdirectory2 (大小 4096 )
#         -- subsubdirectory3 (大小 0 )
#     -- subdirectory3 (大小 4096 )
#

脚本编写

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#!/bin/bash

# 统计目录大小
# 命令: script.sh /path/to/your/directory 2
# 目录:
#  /path/to/your/directory
#   |-- subdirectory1
#   |   |-- subsubdirectory1
#   |   |-- subsubdirectory2
#   |-- subdirectory2
#   |   |-- subsubdirectory3
#   |-- subdirectory3
#
# 输出
# -- /path/to/your/directory (大小 4096 )
#     -- subdirectory1 (大小 4096 )
#         -- subsubdirectory1 (大小 0 )
#         -- subsubdirectory2 (大小 0 )
#     -- subdirectory2 (大小 4096 )
#         -- subsubdirectory3 (大小 0 )
#     -- subdirectory3 (大小 4096 )
#
#

# 递归函数,遍历目录并显示文件大小
function print_directory() {
    local directory="$1"
    local depth="$2"

    # 获取指定目录文件大小 size (单位 K M G)
    local size=0
    if [ "$depth" -gt 0 ]; then
        size=$(du -hd0 "$directory" | cut -f1)
    fi

    # 调整 tab 大小(格式化输出)
    local prefix=""
    for ((i = 0; i < $depth_to_show - $depth; i++)); do
        prefix="${prefix}    "  # Add 4 spaces for each level of depth
    done

    # 输出指定目录(名称+大小)
    if [ "$depth" -gt 0 ]; then
          echo " ${prefix}|--${directory} (大小 ${size} )"
    fi

    # 根据指定深度 递归
    if [ "$depth" -gt 0 ]; then
        # List subdirectories
        for subdirectory in "$directory"/*; do
            if [ -d "$subdirectory" ]; then
                print_directory "$subdirectory" "$((depth - 1))"
            fi
        done

    fi
}

# 参数输入
if [ $# -ne 2 ]; then
    echo "Usage: $0 <directory> <depth>"
    exit 1
fi

# 递归目录
start_directory="$1"
# 递归深度
depth_to_show="$2"

# Call the function with the starting directory and depth
print_directory "$start_directory" "$depth_to_show"
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