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@@ -0,0 +1,42 @@
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+package main
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+
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+import (
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+ "fmt"
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+ "io/ioutil"
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+ "log"
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+ "os"
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+ "strconv"
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+ "strings"
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+)
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+
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+func readInput(file string) []int {
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+ content, err := ioutil.ReadFile(file)
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+ if err != nil {
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+ log.Fatal(err)
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+ }
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+
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+ fishStrings := strings.Split(string(content), ",")
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+ var input []int
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+ for _, fishString := range fishStrings {
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+ if fishString == "" {
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+ continue
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+ }
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+
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+ if number, err := strconv.Atoi(fishString); err == nil {
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+ input = append(input, number)
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+ } else {
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+ log.Fatal(err)
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+ }
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+ }
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+
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+ return input
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+}
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+
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+func main() {
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+ if len(os.Args) < 2 {
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+ log.Fatal("Please provide a file name as argument")
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+ }
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+
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+ input := readInput(os.Args[1])
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+ fmt.Println(input)
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+}
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