How Can I Get a List of Running Processes in Go?

Getting a Comprehensive List of Running Processes in Go

The Go standard library provides various functions under the os package, but it lacks a specific function to retrieve a list of currently running processes. This article explores different approaches to overcoming this limitation.

Why Go Lacks a Process List Function

Despite its vast functionality, Go's standard library does not include a direct method to list running processes. This design decision stems from the fact that most Go programs rarely require such a feature. Instead, programs typically interact with a specific set of processes or wait for completion of particular processes.

Exploring Alternative Methods

If you're running Go on Linux, one option is to access the /proc directory, which contains information about running processes. By examining the files and subdirectories within /proc, you can gather data about each process, including its PID, command, and status.

Another alternative is to use a third-party library that provides process management functionality. For example, the "ps" library (https://github.com/shirou/gopsutil/tree/master/process) offers platform-independent functions for retrieving process information.

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