Color

Color provides colorized terminal output in Go using ANSI escape codes.

Install

go get github.com/xogas/color

Examples

Standard colors

color.Cyan("Prints text in cyan.")
color.Blue("Prints %s in blue.", "text")
color.Red("We have red")
color.Yellow("Yellow color too!")
color.Magenta("And many others ..")

// Hi-intensity variants
color.HiGreen("Bright green color.")
color.HiBlack("Bright black means gray..")
color.HiWhite("Shiny white color!")

RGB colors

color.RGB(255, 128, 0).Println("foreground orange")
color.RGB(230, 42, 42).Println("foreground red")

color.BgRGB(255, 128, 0).Println("background orange")
color.BgRGB(230, 42, 42).Println("background red")

Func-returning variants

red := color.New(color.FgRed).PrintfFunc()
red("Error: %s\n", err)

// Mix up multiple attributes
notice := color.New(color.Bold, color.FgGreen).PrintlnFunc()
notice("Don't forget this...")

Writing to an io.Writer

color.New(color.FgBlue).Fprintln(myWriter, "blue color!")

blue := color.New(color.FgBlue).FprintFunc()
blue(myWriter, "blue notice")

Plug into existing code

color.Set(color.FgYellow)
fmt.Println("This line is yellow")
color.Unset()

Disable / Enable color

color.NoColor = true  // disable globally

c := color.New(color.FgCyan)
c.DisableColor()
c.Println("plain text")
c.EnableColor()
c.Println("cyan again")

Licence

The MIT License (MIT) - see license for more details.