No frills hex dump

hexdump.go

package main

import (
  "fmt"
)

// HexDump the specified byte slice.
func HexDump(bs []byte, width int) {
  for i, v := range bs {
    fmt.Printf("%02x ", v)
    // Drop a newline every 20 bytes.
    if i > 0 && i%(width-1) == 0 {
      fmt.Printf("\n")
    }
  }
  fmt.Printf("\n")
}

func main() {
  s := "pan galactic gargle blaster"
  HexDump([]byte(s), 20)
}