const fs = require("fs"); const targetFile = "../../dist/packages/cactus-cmd-socketio-server/src/main/typescript/business-logic-plugin/BLP_config.js"; const srcStr = '"../BusinessLogicCheckEthereumValidator"'; const distStr = '"../../../../../../examples/cactus-check-connection-ethereum-validator/BusinessLogicCheckEthereumValidator"'; fs.readFile(targetFile, "utf8", (readErr, data) => { if (readErr) { return console.log(readErr); } const result = data.replace(srcStr, distStr); fs.writeFile(targetFile, result, "utf8", (writeErr) => { if (writeErr) return console.log(writeErr); }); });