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ricjcosme/main.go

Created April 4, 2018 10:19
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  1. ricjcosme created this gist Apr 4, 2018.
    72 changes: 72 additions & 0 deletions main.go
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,72 @@
    package main

    import (
    "fmt"
    "io/ioutil"
    "os"
    "strings"
    "bufio"

    b58 "github.com/jbenet/go-base58"
    "github.com/spf13/cobra"
    )

    var b58Cmd = &cobra.Command{
    Use: "b58",
    Short: "",
    Long: "",
    Run: b58CmdFunc,
    }

    var encCmd = &cobra.Command{
    Use: "enc",
    Short: "",
    Long: "",
    Run: encodeFunc,
    }

    var decCmd = &cobra.Command{
    Use: "dec",
    Short: "",
    Long: "",
    Run: decodeFunc,
    }

    func b58CmdFunc(c *cobra.Command, inp []string) {
    c.Help()
    }

    func encodeFunc(c *cobra.Command, inp []string) {
    reader := bufio.NewReader(os.Stdin)
    text, err := reader.ReadString('\n')
    if err != nil {
    fmt.Fprintln(os.Stderr, err)
    return
    }
    input := strings.TrimRight(text, "\r\n")
    fmt.Printf("encoded: %s\n", b58.Encode([]byte(input)))
    }

    func decodeFunc(c *cobra.Command, inp []string) {
    if len(inp) > 0 {
    for _, s := range inp {
    fmt.Println(string(b58.Decode(s)))
    }
    } else {
    i, err := ioutil.ReadAll(os.Stdin)
    if err != nil {
    fmt.Fprintln(os.Stderr, err)
    return
    }
    if i[len(i)-1] == '\n' {
    i = i[:len(i)-1]
    }
    decoded := b58.Decode(string(i))
    os.Stdout.Write(decoded)
    }
    }

    func main() {
    b58Cmd.AddCommand(encCmd, decCmd)
    b58Cmd.Execute()
    }