i3-blocks-go/blocks/ps/main.go

package main

import (
	"flag"
	"fmt"
	r "gitnet.fr/deblan/i3-blocks-go/rendering"
	"os/exec"
	"strings"
)

func ProcessExists(process string) bool {
	output, _ := exec.Command("pgrep", "-f", process).Output()
	lines := strings.TrimSpace(string(output))
	count := strings.Count(lines, "\n")

	return count > 1
}

func main() {
	argProcess := flag.String("process", "", "the process")
	argMessage := flag.String("message", "", "the message")
	flag.Parse()

	if !ProcessExists(*argProcess) {
		return
	}

	value := r.TextWithPadding(*argMessage, r.FB{
		Foreground: r.Color("green"),
		Background: r.Color("black1"),
	})

	options := r.NewBlockOptions()
	options.FullText = value
	block := r.Block("ps", options)

	fmt.Println(block)
}