12345678910111213141516171819202122232425262728293031323334353637383940414243444546 |
- package main
- import (
- "bufio"
- "fmt"
- "log"
- "os"
- )
- func readInput(file *os.File) []int {
- scanner := bufio.NewScanner(file)
- var numbers []int
- for scanner.Scan() {
- line := scanner.Text()
- if line == "" {
- continue
- }
- var current int
- n, err := fmt.Sscanf(line, "%d", ¤t)
- if n != 1 || err != nil {
- log.Fatal("Can't parse:", line, err)
- }
- numbers = append(numbers, current)
- }
- return numbers
- }
- func main() {
- if len(os.Args) < 2 {
- log.Fatal("You need to specify a file!")
- }
- filePath := os.Args[1]
- file, err := os.Open(filePath)
- if err != nil {
- log.Fatalf("Failed to open %s!\n", filePath)
- }
- numbers := readInput(file)
- fmt.Println(numbers)
- }
|