Golang text/tabwriter

tabwriter.go

package main

import (
	"fmt"
	"os"
	"text/tabwriter"
)

func main() {
	minwidth := 0   // minimal cell width including any padding
	tabwidth := 4   // width of tab characters (equivalent number of spaces)
	padding := 1    // padding added to a cell before computing its width
	padchar	:= byte('\t') // ASCII char used for padding
	
	w := tabwriter.NewWriter(os.Stdout, minwidth, tabwidth, padding, padchar, tabwriter.AlignRight)
	fmt.Fprintln(w, "|Column 1\tColumn 2\tColumn 3\tColumn 4\t|")
	fmt.Fprintln(w, "|123\t12345\t1234567\t123456789\t|")
	fmt.Fprintln(w)
	w.Flush()

/*
|Column 1	Column 2	Column 3	Column 4	|
|123		12345		1234567		123456789	|
*/
}