|
|
@@ -0,0 +1,37 @@
|
|
|
+package main
|
|
|
+
|
|
|
+import (
|
|
|
+ "bytes"
|
|
|
+ "fmt"
|
|
|
+ "log"
|
|
|
+ "os"
|
|
|
+)
|
|
|
+
|
|
|
+func getRanges(data []byte) [][]int {
|
|
|
+ var ranges [][]int
|
|
|
+ ids := bytes.Split(data, []byte(","))
|
|
|
+ for _, id := range ids {
|
|
|
+ var start, end int
|
|
|
+ n, err := fmt.Sscanf(string(id), "%d-%d", &start, &end)
|
|
|
+ if err != nil || n != 2 {
|
|
|
+ log.Fatalf("Invalid range: %s", id)
|
|
|
+ }
|
|
|
+ ranges = append(ranges, []int{start, end})
|
|
|
+ }
|
|
|
+
|
|
|
+ return ranges
|
|
|
+}
|
|
|
+
|
|
|
+func main() {
|
|
|
+ if len(os.Args) < 2 {
|
|
|
+ log.Fatal("You need to specify a file!")
|
|
|
+ }
|
|
|
+
|
|
|
+ data, err := os.ReadFile(os.Args[1])
|
|
|
+ if err != nil {
|
|
|
+ log.Fatal(err)
|
|
|
+ }
|
|
|
+
|
|
|
+ ranges := getRanges(data)
|
|
|
+ fmt.Println(ranges)
|
|
|
+}
|
