从Notion导出的markdown删掉第一行的同名标题

remove-first-line-of-markdown.py

from pathlib import Path

# /tmp/1.txt获取方式
# find /path/to/dir -type f -name '*.md' > /tmp/1.txt

with open("/tmp/1.txt", 'r') as mdList:
    for md in mdList:
        filepath = md.strip()
        filename = Path(md).stem
        #print(filename)

        lines = []

        with open(filepath, 'r', encoding='utf-8') as f:
            lines = f.readlines()

        if len(lines) > 0:
            firstline = lines[0].strip()

            if firstline == '# ' + filename:
                # 默认删除第一行
                offset = 1
                print(filename)

                # 第二行为空行
                if len(lines) > 1 and lines[1].strip() == '':
                    offset += 1

                with open(filepath, 'w+', encoding='utf-8') as f:
                    f.writelines(lines[offset:])