MuseScore 4.7.2：制谱更稳，导入导出更顺

#!/usr/bin/env bash
# 批量将 .mscz 乐谱导出为 PDF
# 需先安装 MuseScore 4.7.2：https://musescore.org/en/download

SCORE_DIR="./scores"
OUTPUT_DIR="./pdfs"

mkdir -p "$OUTPUT_DIR"

for score in "$SCORE_DIR"/*.mscz; do
  filename=$(basename "$score" .mscz)
  echo "正在导出: $filename"
  MuseScore4 --export-to "$OUTPUT_DIR/${filename}.pdf" "$score" 2>/dev/null
  if [ $? -ne 0 ]; then
    echo "❌ 导出失败: $filename"
  else
    echo "✅ 导出成功: $filename"
  fi
done

echo "全部完成，结果在 $OUTPUT_DIR"

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 4.0//EN"
  "http://www.musicxml.org/dtds/partwise.dtd">
<score-partwise version="4.0">
  <part-list>
    <score-part id="P1">
      <part-name>Piano</part-name>
    </score-part>
  </part-list>
  <part id="P1">
    <measure number="1">
      <attributes>
        <divisions>4</divisions>
        <key><fifths>0</fifths></key>
        <time><beats>4</beats><beat-type>4</beat-type></time>
        <clef><sign>G</sign><line>2</line></clef>
      </attributes>
      <harmony>
        <root><root-step>C</root-step></root>
        <kind>major-seventh</kind>
      </harmony>
      <note>
        <pitch><step>C</step><octave>4</octave></pitch>
        <duration>4</duration>
        <type>quarter</type>
      </note>
      <direction placement="below">
        <direction-type>
          <pedal type="start" line="yes"/>
        </direction-type>
      </direction>
      <note>
        <pitch><step>E</step><octave>4</octave></pitch>
        <duration>4</duration>
        <type>quarter</type>
      </note>
      <note>
        <pitch><step>G</step><octave>4</octave></pitch>
        <duration>4</duration>
        <type>quarter</type>
      </note>
      <note>
        <pitch><step>B</step><octave>4</octave></pitch>
        <duration>4</duration>
        <type>quarter</type>
      </note>
      <direction placement="below">
        <direction-type>
          <pedal type="stop" line="yes"/>
        </direction-type>
      </direction>
    </measure>
  </part>
</score-partwise>

#!/usr/bin/env python3
"""扫描乐谱目录，统计每个 .mscz 文件的基本信息并输出报告"""

import subprocess
import json
from pathlib import Path

SCORE_DIR = Path("./scores")
REPORT_FILE = Path("./score_report.json")

def get_score_info(score_path: Path) -> dict:
    """用 MuseScore 命令行导出乐谱元数据（需 MuseScore 4.7+ 支持 --export-to json）"""
    # MuseScore 4 目前不直接导出 JSON 元数据，
    # 这里用文件大小和文件名作为替代信息来源
    return {
        "filename": score_path.name,
        "size_kb": round(score_path.stat().st_size / 1024, 1),
    }

def main():
    scores = list(SCORE_DIR.glob("*.mscz"))
    if not scores:
        print(f"在 {SCORE_DIR} 中未找到 .mscz 文件")
        return

    report = []
    for s in scores:
        info = get_score_info(s)
        report.append(info)
        print(f"  📄 {info['filename']} — {info['size_kb']} KB")

    REPORT_FILE.write_text(json.dumps(report, indent=2, ensure_ascii=False))
    print(f"\n报告已写入 {REPORT_FILE}，共 {len(report)} 个乐谱文件")

if __name__ == "__main__":
    main()