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Kotlin program to get system motherboard serial number

Kotlin | Getting Motherboard Serial Number: Here, we are going to learn how to get the system motherboard serial number in Kotlin programming language?
Submitted by IncludeHelp, on May 05, 2020

The task is to get the system's motherboard serial number.

package com.includehelp

import java.io.BufferedReader
import java.io.File
import java.io.FileWriter
import java.io.InputStreamReader


/**
 * Method for get System Motherboard Serial Number
 * @return  MAC Address
 */
fun getSystemMotherBoardSerialNumber(): String? {
    return try {
        val osName = System.getProperty("os.name")
        if (osName.contains("Windows")) getWindowsMotherboardSerialNumber() else getLinuxMotherBoardSerialNumber()
    } catch (E: Exception) {
        System.err.println("System MotherBoard Exp : " + E.message)
        null
    }
}

/**
 * Function for get Windows Machine MotherBoard Serial Number
*/
fun getWindowsMotherboardSerialNumber(): String? {
    var result = ""
    try {
        val file = File.createTempFile("realhowto", ".vbs")
        file.deleteOnExit()
        val fw = FileWriter(file)
        val vbs = """Set objWMIService = GetObject("winmgmts:\\.\root\cimv2")
Set colItems = objWMIService.ExecQuery _ 
   ("Select * from Win32_BaseBoard") 
For Each objItem in colItems 
    Wscript.Echo objItem.SerialNumber 
    exit for  ' do the first cpu only! 
Next 
"""
        fw.write(vbs)
        fw.close()
        val p = Runtime.getRuntime().exec("cscript //NoLogo " + file.path)
        val input = BufferedReader(InputStreamReader(p.inputStream))
        var line: String?
        while (input.readLine().also { line = it } != null) {
            result += line
        }
        input.close()
    } catch (E: Exception) {
        System.err.println("Windows MotherBoard Exp : " + E.message)
    }
    return result.trim { it <= ' ' }
}


/**
 * Function for get Linux Machine MotherBoard Serial Number
 */
 fun getLinuxMotherBoardSerialNumber(): String? {
    val command = "dmidecode -s baseboard-serial-April20.number"
    var sNum: String? = null
    try {
        val serNumProcess = Runtime.getRuntime().exec(command)
        val sNumReader = BufferedReader(InputStreamReader(serNumProcess.inputStream))
        sNum = sNumReader.readLine().trim { it <= ' ' }
        serNumProcess.waitFor()
        sNumReader.close()
    } catch (ex: Exception) {
        System.err.println("Linux Motherboard Exp : " + ex.message)
        sNum = null
    }
    return sNum
}


//Main function, Entry Point Program
fun main(args: Array<String>) {

    //Call Function To get MotherBoard Serial Number
    val motherboardSerialnumber = getSystemMotherBoardSerialNumber()

    // Print Mother Board Serial Number
    println("MotherBoard Serial Number : $motherboardSerialnumber")
}

Output

MotherBoard Serial Number : PFFBF00WB9P48R