ios

Documentation

Overview

Package ios 输入输出相关.

包括 ReadLine, ContainsReader, WalkDir.

Index

• Constants
• func NewWriter(file string) (io.WriteCloser, error)
• func ReadLine(file string, call func(line string) error) error
• func ReaderLine(reader io.Reader, call func(line string) error) error
• func Unit(size int64, prec int) string
• func WalkDir(root string, walkDirFunc fs.WalkDirFunc, level int) error
• type ContainsReader
  • func NewContainsReader(reader io.Reader, subslice []byte) *ContainsReader
  • func (p *ContainsReader) Contains() bool
  • func (p *ContainsReader) Read(data []byte) (int, error)

Examples

• Unit

Constants

const (
	Kilo
	Meg
	Giga
	Tera
	Peta
	Exa
)

Functions

func NewWriter

func NewWriter(file string) (io.WriteCloser, error)

NewWriter 新建Writer，file存在Seek末尾,不存在创建.

func ReadLine

func ReadLine(file string, call func(line string) error) error

func ReaderLine

func ReaderLine(reader io.Reader, call func(line string) error) error

func Unit

func Unit(size int64, prec int) string

Example

package main

import (
	"fmt"

	"github.com/xuender/oils/ios"
)

func main() {
	fmt.Println(ios.Unit(1, 2))
	fmt.Println(ios.Unit(100, 2))
	fmt.Println(ios.Unit(1024, 2))
	fmt.Println(ios.Unit(1700, 2))
	fmt.Println(ios.Unit(3*ios.Meg, 2))

}

Output:

1B
100B
1KB
1.7KB
3MB

func WalkDir

func WalkDir(root string, walkDirFunc fs.WalkDirFunc, level int) error

Types

type ContainsReader

type ContainsReader struct {
	// contains filtered or unexported fields
}

func NewContainsReader

func NewContainsReader(reader io.Reader, subslice []byte) *ContainsReader

func (*ContainsReader) Contains

func (p *ContainsReader) Contains() bool

func (*ContainsReader) Read

func (p *ContainsReader) Read(data []byte) (int, error)