38 lines
427 B
Go
38 lines
427 B
Go
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package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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)
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func main() {
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flag.Parse()
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files := make(map[string]int)
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for i, v := range flag.Args() {
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f, err := os.ReadDir(v)
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if err != nil {
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log.Fatal(err)
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}
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for _, df := range f {
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var weight int
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if i == 0 {
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weight = 1
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} else {
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weight = -1
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}
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files[df.Name()] += weight
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}
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}
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for k, v := range files {
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if v == 1 {
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fmt.Println(k)
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}
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}
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}
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