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- package main
- import (
- "bufio"
- "fmt"
- "log"
- "os"
- )
- func readInput(file *os.File) [][]byte {
- scanner := bufio.NewScanner(file)
- var trees [][]byte
- for scanner.Scan() {
- line := scanner.Text()
- if line == "" {
- continue
- }
- trees = append(trees, []byte(line))
- }
- return trees
- }
- 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)
- }
- trees := readInput(file)
- fmt.Println(trees)
- }
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