Created
June 27, 2019 11:00
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| package main | |
| import ( | |
| "encoding/hex" | |
| "flag" | |
| "fmt" | |
| "io" | |
| "io/ioutil" | |
| "os" | |
| "strings" | |
| ) | |
| func main() { | |
| decodeFl := flag.Bool("d", false, "Decode Hex encoded value") | |
| flag.Parse() | |
| data := strings.Join(flag.Args(), " ") | |
| if data == "" { | |
| raw, _ := ioutil.ReadAll(os.Stdin) | |
| data = string(raw) | |
| } | |
| if *decodeFl { | |
| raw, err := hex.DecodeString(data) | |
| if err != nil { | |
| fail(err) | |
| } | |
| os.Stdout.Write(raw) | |
| } else { | |
| io.WriteString(os.Stdout, hex.EncodeToString([]byte(data))) | |
| } | |
| } | |
| func fail(err error) { | |
| fmt.Fprint(os.Stderr, err) | |
| os.Exit(1) | |
| } |
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