web3Interactive/reference/tools/demoLoadAccountKey.mjs

import fs from 'fs/promises';

const filePath = './demoAccount.txt';

// 返回一个 Promise
async function loadData() {
    try {
        const data = await fs.readFile(filePath, 'utf8');
        const privateKeyList = data.split('\n');
        return privateKeyList;
    } catch (err) {
        console.error('读取文件时发生错误:', err);
        process.exit(1);
    }
}

// 调用 loadData 并等待结果
async function main() {
    const privateKeyList = await loadData();
    console.log(privateKeyList);
}

main();