Some colored terminal output using mgutz/ansi

main.go

package main

import (
	"fmt"
	"github.com/mgutz/ansi"
	"github.com/ryanuber/columnize"
)

func main() {
	config := columnize.DefaultConfig()
	config.Delim = "|"
	config.Glue = "   "
	config.Prefix = "   "
	colors := []string{"red", "green", "yellow", "blue", "magenta", "cyan", "white"}
	flagsets := []string{"u", "b", "h", "ub", "uh", "bh"}
	// Print some demo strings
	lines := []string{}
	for _, color := range colors {
		line := ""
		line += fmt.Sprint(ansi.Color(color, color)) + "|"
		for _, flagset := range flagsets {
			s := fmt.Sprintf("%s+%s", color, flagset)
			line += fmt.Sprint(ansi.Color(s, s)) + "|"
		}
		line += fmt.Sprintln(ansi.ColorCode("reset"))
		lines = append(lines, line)
	}
	result := columnize.Format(lines, config)
	fmt.Println("")
	fmt.Println("   This line shows text in default formatting for reference.")
	fmt.Println("")
	fmt.Println(result)
	fmt.Println("")
}