How to write a JSON file without overlapping previous data

import java.io.FileWriter; import java.io.IOException; import org.json.simple.JSONArray; import org.json.simple.JSONObject; public class writejson { //public static void writejs(String attachmentValue) public static void main(String[] args) { String attachmentValue= “1234”; { JSONObject obj = new JSONObject(); obj.put(“Attachement Id: “, attachmentValue); try (FileWriter file = new FileWriter(“C:\\failedtestdata.json”)) { file.write(obj.toJSONString()); file.flush(); } catch (IOException e) { e.printStackTrace(); } } } }…

Converting a hex encoded iso 8583 message to json using node js

I am using this library: https://github.com/zemuldo/iso_8583 to try parse and dump an ISO message. The code: var bitMapData = ‘0210723A40010AE18002005000990000000750001002102636000000172636100210036014045016000042 (i’am using this library https://github.com/zemuldo/iso_8583)667818001 000000000TS0002tester 0490823 75551512000000075000000000010051003915030257360006133001’; const config = { lenHeader: false, lenHeaderEncoding: ‘utf8’, bitmapEncoding: ‘utf8’, secondaryBitmap: false, hasSpecialFields: true, }; let incoming = new Iso_8583().getIsoJSON( new Buffer.alloc(bitMapData.length, bitMapData), config ); console.log(incoming) result…

Trying to read first 3 lines from Json file in java script

the Json attribute I’m trying to read is in the following format: ASDADASDASDSDSADasda asdasdad sadad \n \n \n\n\n asdasdasd\n\n\nasdasdasdasdasdasd\n adsdassdasdasdsdasdsadasdasdas\n asdasdaddaddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd\n I’m just trying to get those 3 lines: ASDADASDASDSDSADasda asdasdad sadad \n \n \n\n\n asdasdasd\n\n\nasdasdasdasdasdasd\n adsdassdasdasdsdasdsadasdasdas\n asdasdaddaddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd I’ve tried using str.split(“\n”).slice(0,2) but it seem to catch the \n rather then the hidden new…

JSON Object Parse

exercise question screenshot Not sure what’s missing. The other discussion solutions seem too complicated compared to my homework question: Q: -The variable str_json has been assigned a string of a JSON object -Call the parse method, pass it str_json and assign the return value to variable jsonobj -Assign the property the_city to the variable v_the_city…