How to print chromedriver.exe version and exit ?

[Alex De Lara]

I have a "simple" requirement to script automatic updates to chromedriver. The problem is how easily find the local version: if I simply run "chromedriver.exe" it prints what I want, but it never comes back as the server stays in background. I was hoping to have something as simple as accept some command to quit, exit, abort, etc like "echo abort | chromedriver.exe" So far no luck other than hitting Ctrl-C on its starting window. I tried also to create a ctrl-c binary file and pipe into but that didnt work either. Any good idea out there shorter than coding yet another script ?

[Alex De Lara]

Ok I bit the bullet and wrote this small class just to instantiate chromedriver and exit.
See the comments to compile and run:

Here's the class in case anyone needs this feature.

// -------------------------------------------------------------------------------------------
// This script is to instantiate chromedriver
// Whenever chromedriver starts, it prints to stderr (bummer)
// We have to redirect this script execution to a file in order
//   to be able to retrieve and parse the chromedriver version
//
// Requirements:
//   - chromedriver must be above the directory where it executes
//   - needs to run with selenium-server-standalone in the classpath
//
// Compile with
//    set CLASSPATH=c:\Tools\selenium\selenium-2.39.0\selenium-server-standalone-2.39.0.jar;.
//    javac -d . GetChromedriverVersion.java
//    class is put in ./seltool.updater/GetChromedriverVersion.class
//
// Run with
//    java seltool.updater.GetChromedriverVersion 2>someTempFile
// -----------------------------------------------------------------------------------------------
package seltool.updater;

import java.io.*;

import org.openqa.selenium.chrome.ChromeDriverService;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;

import org.openqa.selenium.*;
import org.openqa.selenium.Dimension;
import org.openqa.selenium.firefox.FirefoxDriver;

public class GetChromedriverVersion {

    private static ChromeDriverService service;
    private WebDriver driver;

    public static void main(String[] args)
    {
        GetChromedriverVersion d = new GetChromedriverVersion();
       
        try
        {
            service = new ChromeDriverService.Builder()
                            .usingDriverExecutable( new File( "../chromedriver.exe" ) )
                            .usingAnyFreePort()
                            .build();
           
            service.start();
        } catch (Exception e) {};
       
        service.stop();
    }
}
 

[Sam Uong]

Hi Alex,

Actually chromedriver 2.10 was just released about a week ago. You can download it here:

http://chromedriver.storage.googleapis.com/index.html?path=2.10/

One of the changes was the addition of a --version (or -v) switch, which prints the version number and immediately exits without starting the server.

$ ./chromedriver --version

ChromeDriver 2.10.267518

$ ./chromedriver -v

ChromeDriver 2.10.267518

Sam.

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[Alex De Lara]

Awesome, thanks. My script in fact did update my installed files but I didn't realize until you told me. One less thing to maintain. Thanks again.