62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
package cmd
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import (
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"fmt"
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"os"
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"strconv"
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u "github.com/bcicen/go-units"
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"github.com/spf13/cobra"
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)
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var (
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from string
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to string
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rootCmd = &cobra.Command{
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Use: "converter",
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Short: "A brief description of your application",
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Long: `A longer description that spans multiple lines and likely contains
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examples and usage of using your application. For example:
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Cobra is a CLI library for Go that empowers applications.
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This application is a tool to generate the needed files
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to quickly create a Cobra application.`,
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Run: func(cmd *cobra.Command, args []string) {
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in, err := strconv.ParseFloat(args[0], 64)
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if err != nil {
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fmt.Println(err.Error())
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return
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}
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fromVal, err := u.Find(cmd.Flag("from").Value.String())
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if err != nil {
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fmt.Println(err.Error())
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return
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}
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toVal, err := u.Find(cmd.Flag("to").Value.String())
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if err != nil {
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fmt.Println(err.Error())
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return
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}
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val := u.NewValue(in, fromVal)
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out, err := val.Convert(toVal)
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if err != nil {
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fmt.Println(err.Error())
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return
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}
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fmt.Println(out.String())
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},
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}
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)
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func Execute() {
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err := rootCmd.Execute()
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if err != nil {
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os.Exit(1)
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}
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}
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func init() {
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rootCmd.PersistentFlags().StringVarP(&from, "from", "f", "c", "unit system to convert from")
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rootCmd.PersistentFlags().StringVarP(&to, "to", "t", "f", "unit system to convert to")
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}
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