Added slice length check
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@ -22,10 +22,14 @@ func getNextFile(path string) (string, error) {
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split := re.FindAllStringSubmatch(path, -1)
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if len(split[0]) < 3 {
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return "", nil
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}
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base := split[0][1]
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number, err := strconv.Atoi(split[0][2])
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if err != nil {
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return "", nil
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return "", err
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}
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extension := split[0][3]
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