Python

一番最新ファイル

# 最新画像を1枚取り出す
def find_latest_file_with_number(filenames, search_number):
    """
    This function finds the file with the largest numerical part in its name, given a specific number in the pattern.
    """
    # Compile a regular expression to match the pattern (including the specific number) and extract the numerical part
    regex = re.compile(rf"img_{search_number}_(\d+)\.jpg")

    # Dictionary to hold the files and their numerical parts
    file_dict = {}

    # Extract the numerical part for each file that matches the pattern
    for filename in filenames:
        match = regex.match(filename)
        if match:
            file_dict[filename] = int(match.group(1))

    # Find the file with the largest numerical part
    if file_dict:
        return max(file_dict, key=file_dict.get)
    else:
        return None