mirror of
https://github.com/unknwon/the-way-to-go_ZH_CN.git
synced 2025-08-12 07:02:11 +08:00
29 lines
523 B
Go
29 lines
523 B
Go
// read_files.go
|
|
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
)
|
|
|
|
func main() {
|
|
fmt.Printf("Reading files...\n")
|
|
flag.Parse()
|
|
|
|
for i := 0; i < flag.NArg(); i++ {
|
|
fmt.Printf("[File: %v]\n", flag.Arg(i))
|
|
fin, err := os.Open(flag.Arg(i))
|
|
if err != nil {
|
|
fmt.Printf("The file %v does not exist!\n", flag.Arg(i))
|
|
break
|
|
}
|
|
r := bufio.NewReader(fin)
|
|
for line, _, err := r.ReadLine(); err != io.EOF; line, _, err = r.ReadLine() {
|
|
fmt.Printf("Lines: %v (error %v)\n", string(line), err)
|
|
}
|
|
}
|
|
}
|