by Sai gowtham

How to read a file line by line in Go

This below example, will show you how to read a file line by line in Go programming language.

package main

import (
    "bufio"
    "fmt"
    "log"
    "os"
)

func main() {
    file, err := os.Open("/path/to/myfile.txt")
    if err != nil {
        log.Fatal(err)
    }
    defer file.Close()

    scanner := bufio.NewScanner(file)
    for scanner.Scan() {
        fmt.Println(scanner.Text())
    }

    if err := scanner.Err(); err != nil {
        log.Fatal(err)
    }
}

Top Udemy Courses

JavaScript - The Complete Guide 2020 (Beginner + Advanced)
JavaScript - The Complete Guide 2020 (Beginner + Advanced)
45,614 students enrolled
52 hours of video content
View Course
React - The Complete Guide (incl Hooks, React Router, Redux)
React - The Complete Guide (incl Hooks, React Router, Redux)
284,472 students enrolled
40 hours of video content
View Course
Vue - The Complete Guide (w/ Router, Vuex, Composition API)
Vue - The Complete Guide (w/ Router, Vuex, Composition API)
130,921 students enrolled
48.5 hours of video content
View Course