remove-notes.mjs

import fs from 'fs';
import path from 'path';

async function removeMultilineSequences(directoryPath) {
    try {
        const files = await fs.promises.readdir(directoryPath);

        for (const file of files) {
            if ((await fs.promises.lstat(path.join(directoryPath, "/", file))).isDirectory()) {
                removeMultilineSequences(path.join(directoryPath, "/", file))
            } else {
                if (file.split(/[.]+/).pop() === "md") {

                    const filePath = path.join(directoryPath, file);
                    const fileContent = await fs.promises.readFile(filePath, 'utf-8');
                    const modifiedContent = removeSequences(fileContent);

                    if (modifiedContent !== fileContent) {
                        await fs.promises.writeFile(filePath, modifiedContent);
                        console.log(`Modified: ${filePath}`);
                    } else {
                        console.log(`No modifications: ${filePath}`);
                    }
                }
            }
        }
        console.log('Processing complete.');
    } catch (error) {
        console.error('Error occurred:', error);
    }
}

function removeSequences(content) {
    const lines = content.split('\n');
    let modifiedContent = '';
    let isInsideSequence = false;

    for (const line of lines) {
        if (!isInsideSequence && line.trim().startsWith('Notes:')) {
            isInsideSequence = true;
        }

        if (!isInsideSequence) {
            modifiedContent += line + '\n';
        }

        if (isInsideSequence && (line.trim() === '---' || line.trim() === '---v')) {
            isInsideSequence = false;
            modifiedContent += line
        }
    }

    return modifiedContent.trim();
}

// Example usage
const directoryPath = `syllabus/${process.argv[3]}`; // Replace this with your directory path
removeMultilineSequences(directoryPath);