icza / bitio Goto Github PK

Stargazers

Forkers

patricktoca ammario godeep aland-zhang hmaurer zevfang kucjac developgo tsingson etsangsplk foobarto krystalmejia24 mitghi backwardn daniel-007 rob-deutsch seokho-son gocodeblue 0x90asm mewbak standardgalactic electricface kawaway douglascamata

       H         L
       ↓         ↓ 
0x0A = 0b0000_1010

package main

import (
	"bytes"
	"fmt"

	"github.com/icza/bitio"
)

func main() {
	buffer := &bytes.Buffer{}
	w := bitio.NewWriter(buffer)
	w.WriteBits(0x0A, 7)
	w.Align()
	fmt.Printf("%08b\n", 0x0A)
	fmt.Printf("%08b\n", buffer.Bytes()[0])
	fmt.Printf("%02X\n", buffer.Bytes()[0])

	// Output:
	// 00001010
	// 00010100
	// 14
}

func WriteToFile() {
	// open output file
	fo, err := os.Create("output.txt")
	if err != nil {
		panic(err)
	}
	// close fo on exit and check for its returned error
	defer func() {
		if err := fo.Close(); err != nil {
			panic(err)
		}
	}()
	// make a write buffer
	w := bitio.NewWriter(fo)
	err = w.WriteBits(0x08, 8)
	if err != nil {
		panic(err)
	}
//????
	//w.Flush()
	err = w.Close()
	if err != nil {
		panic(err)
	}
}