Hash MD5
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.gitignore
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.gitignore
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@ -35,3 +35,4 @@ longest-word/longest-word
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statecsv/statecsv
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go-financial/go-financial
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my-fnv/my-fnv
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my-md5/my-md5
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23
my-md5/main.go
Normal file
23
my-md5/main.go
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@ -0,0 +1,23 @@
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package main
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import "fmt"
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import "crypto/md5"
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import "io"
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import "log"
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import "os"
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func main() {
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if len(os.Args) < 2 {
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log.Fatalln("Usage my-md5 file")
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}
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f, err := os.Open(os.Args[1])
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if err != nil {
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log.Fatalln(err)
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}
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defer f.Close()
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h := md5.New()
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io.Copy(h, f)
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fmt.Printf("%x\n", h.Sum(nil))
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}
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