How to Retrieve Running Application Bundles in macOS?

Retrieving Running Application Bundles in macOS

Determining a list of active applications in macOS can be achieved by leveraging system-level APIs. Various approaches are available, depending on the desired level of detail and the implementation language.

One method involves employing the sysctl() function with the KERN_PROC_ALL argument. This yields a list of all running processes, but it does not provide information about the corresponding application bundles. For instance, Minecraft would simply be labeled as "java," which is not particularly helpful.

A more precise approach utilizes the Cocoa APIs in Swift. By querying the NSWorkspace object for running applications, it is possible to access the NSApplication instances representing each application. Each NSApplication object contains a bundle identifier, which provides the desired information.

<code class="swift">import Foundation
import AppKit

// Get all running applications
let workspace = NSWorkspace.shared
let applications = workspace.runningApplications

for app in applications {
    print(app)
}</code>

This approach directly provides the application bundle identifiers, enabling the retrieval of specific information about each running application.

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