github.com/graybobo/golang.org-package-offline-cache@v0.0.0-20200626051047-6608995c132f/x/talks/2014/playground/file.go (about)

     1  // +build OMIT
     2  
     3  package main
     4  
     5  import (
     6  	"fmt"
     7  	"io/ioutil"
     8  	"log"
     9  )
    10  
    11  func main() {
    12  	const filename = "/tmp/file.txt"
    13  
    14  	err := ioutil.WriteFile(filename, []byte("Hello, file system\n"), 0644)
    15  	if err != nil {
    16  		log.Fatal(err)
    17  	}
    18  
    19  	b, err := ioutil.ReadFile(filename)
    20  	if err != nil {
    21  		log.Fatal(err)
    22  	}
    23  
    24  	fmt.Printf("%s", b)
    25  }