github.com/graybobo/golang.org-package-offline-cache@v0.0.0-20200626051047-6608995c132f/x/talks/2012/goforc/cat.go (about)

     1  // +build OMIT
     2  
     3  package main
     4  
     5  import (
     6  	"flag"
     7  	"io"
     8  	"os"
     9  )
    10  
    11  func main() {
    12  	flag.Parse()
    13  	for _, arg := range flag.Args() {
    14  		f, err := os.Open(arg)
    15  		if err != nil {
    16  			panic(err)
    17  		}
    18  		defer f.Close()
    19  		_, err = io.Copy(os.Stdout, f) // HL
    20  		if err != nil {
    21  			panic(err)
    22  		}
    23  	}
    24  }