github.com/cheggaaa/pb

Warning

Please use v3 version go get github.com/cheggaaa/v3 - it's a continuation of the v2, but in the master branch and with the support of go modules

Terminal progress bar for Go

It's beta, some features may be changed

This is proposal for the second version of progress bar

• based on text/template
• can take custom elements
• using colors is easy

Installation

go get gopkg.in/cheggaaa/pb.v2

Usage

package main

import (
	"gopkg.in/cheggaaa/pb.v2"
	"time"
)

func main() {
	simple()
	fromPreset()
	customTemplate(`Custom template: {{counters . }}`)
	customTemplate(`{{ red "With colors:" }} {{bar . | green}} {{speed . | blue }}`)
	customTemplate(`{{ red "With funcs:" }} {{ bar . "<" "-" (cycle . "↖" "↗" "↘" "↙" ) "." ">"}} {{speed . | rndcolor }}`)
	customTemplate(`{{ bar . "[<" "·····•·····" (rnd "ᗧ" "◔" "◕" "◷" ) "•" ">]"}}`)
}

func simple() {
	count := 1000
	bar := pb.StartNew(count)
	for i := 0; i < count; i++ {
		bar.Increment()
		time.Sleep(time.Millisecond * 2)
	}
	bar.Finish()
}

func fromPreset() {
	count := 1000
	//bar := pb.Default.Start(total)
	//bar := pb.Simple.Start(total)
	bar := pb.Full.Start(count)
	defer bar.Finish()
	bar.Set("prefix", "fromPreset(): ")
	for i := 0; i < count/2; i++ {
		bar.Add(2)
		time.Sleep(time.Millisecond * 4)
	}
}

func customTemplate(tmpl string) {
	count := 1000
	bar := pb.ProgressBarTemplate(tmpl).Start(count)
	defer bar.Finish()
	for i := 0; i < count/2; i++ {
		bar.Add(2)
		time.Sleep(time.Millisecond * 4)
	}
}