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Cline

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gemini-2.5-pro-exp-03-25

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ときどき欲しくなる機能を作ってもらう

前の記事と同じです。

create a python script that outputs a list of files and their sizes under a specified folder.
the folder is specified as an argument at run time.
please output file sizes in descending order in human-friendly units.
for directory, recursively get the total file size under the directory.
for directory, output a list of directories. for each directory, output the total file size under that directory.

費用

無料。

output

file nameは変えてます。

file_sizes_gemini.py

import os
import argparse
from pathlib import Path

def get_human_readable_size(size_bytes):
    """Converts a size in bytes to a human-readable string."""
    if size_bytes == 0:
        return "0B"
    size_name = ("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
    i = 0
    while size_bytes >= 1024 and i < len(size_name) - 1:
        size_bytes /= 1024.0
        i += 1
    s = f"{size_bytes:.2f}"
    # Remove trailing .00
    if s.endswith(".00"):
        s = s[:-3]
    return f"{s}{size_name[i]}"

def get_dir_size(start_path='.'):
    """Recursively calculates the total size of files in a directory."""
    total_size = 0
    try:
        # Use scandir for potentially better performance
        for entry in os.scandir(start_path):
            try:
                if entry.is_file(follow_symlinks=False):
                     total_size += entry.stat().st_size
                elif entry.is_dir(follow_symlinks=False):
                    total_size += get_dir_size(entry.path)
            except OSError:
                 # Ignore files/dirs we can't access or broken symlinks
                pass
    except OSError:
         # Ignore directories we can't access at the top level
        pass
    return total_size

def list_files_and_sizes(folder_path):
    """Lists files and directories with their sizes in a given folder."""
    files_info = []
    dirs_info = []
    target_path = Path(folder_path)

    if not target_path.is_dir():
        print(f"Error: '{folder_path}' is not a valid directory.")
        return

    try:
        # Use scandir for potentially better performance and type checking
        for entry in os.scandir(target_path):
            try:
                if entry.is_file(follow_symlinks=False):
                    size = entry.stat().st_size
                    files_info.append((entry.name, size))
                elif entry.is_dir(follow_symlinks=False):
                    # Get size only once
                    dir_size = get_dir_size(entry.path)
                    dirs_info.append((entry.name, dir_size))
                # Silently ignore other types like symlinks at the top level
            except OSError as e:
                print(f"Could not access {entry.name}: {e}")
    except OSError as e:
        print(f"Could not read directory {folder_path}: {e}")
        return

    # Sort by size descending
    files_info.sort(key=lambda x: x[1], reverse=True)
    dirs_info.sort(key=lambda x: x[1], reverse=True)

    print(f"\n--- Files in {folder_path} ---")
    if files_info:
        max_name_len = max(len(name) for name, size in files_info) if files_info else 0
        for name, size in files_info:
            print(f"{name:<{max_name_len}} : {get_human_readable_size(size)}")
    else:
        print("No files found.")

    print(f"\n--- Directories in {folder_path} (Total Size) ---")
    if dirs_info:
        max_name_len = max(len(name) for name, size in dirs_info) if dirs_info else 0
        for name, size in dirs_info:
            print(f"{name + '/':<{max_name_len+1}} : {get_human_readable_size(size)}")
    else:
        print("No directories found.")


if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description="List files and directories with their sizes (descending order) in a specified folder.",
        formatter_class=argparse.ArgumentDefaultsHelpFormatter # Show default values in help
    )
    parser.add_argument("folder", help="The path to the folder to analyze.")
    args = parser.parse_args()

    list_files_and_sizes(args.folder)

まとめ

file sizeもdirectoryも降順です。そして、見やすく出力してくれている。
PerplexityにはPerplexityが得意することを任せることにしましょう。

肩が凝るとかでなく、頭が疲れるけど疲れる価値はあると思います。

他にも色々と作ってもらっていたら2日で無料で使える上限に達してしまいました。

Gemini API

visual studio code / 設定

ときどき欲しくなる機能を作ってもらう

費用

output

まとめ

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