I use the following code to create command which should run according to some flags that are passed from the cli.
I use the cobra repo https://github.com/spf13/cobra
when I run it with go run main.go echo test
I get
Print: test
which works.
Now I run go install open the
bin directory and click on the file newApp (this my name of my app)
and it prints
Usage:
MZR [command]
Available Commands:
echo Echo anything to the screen
help Help about any command
print Print anything to the screen
Flags:
-h, --help help for MZR
Use "MZR [command] --help" for more information about a command.
[Process completed]
And I cannot use any commands (like MZR echo) which I was able when I run it locally with go run main.go echo test
But I want to use it like following MZR -h or MZR echo ,
How I can do it ?
(and also give to my friend the file from the bin that created after go install - which is Unix executable - 3.8 MB )
e.g. like this repo which use the same command line tools and to run it you use hoarder --server
https://github.com/nanopack/hoarder
This is the code for example (to make it more simpler )
package main
import (
"fmt"
"strings"
"github.com/spf13/cobra"
)
func main() {
var echoTimes int
var cmdPrint = &cobra.Command{
Use: "print [string to print]",
Short: "Print anything to the screen",
Long: `print is for printing anything back to the screen.
For many years people have printed back to the screen.`,
Args: cobra.MinimumNArgs(1),
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("Print: " + strings.Join(args, " "))
},
}
var cmdEcho = &cobra.Command{
Use: "echo [string to echo]",
Short: "Echo anything to the screen",
Long: `echo is for echoing anything back.
Echo works a lot like print, except it has a child command.`,
Args: cobra.MinimumNArgs(1),
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("Print: " + strings.Join(args, " "))
},
}
var cmdTimes = &cobra.Command{
Use: "times [# times] [string to echo]",
Short: "Echo anything to the screen more times",
Long: `echo things multiple times back to the user by providing
a count and a string.`,
Args: cobra.MinimumNArgs(1),
Run: func(cmd *cobra.Command, args []string) {
for i := 0; i < echoTimes; i++ {
fmt.Println("Echo: " + strings.Join(args, " "))
}
},
}
cmdTimes.Flags().IntVarP(&echoTimes, "times", "t", 1, "times to echo the input")
var rootCmd = &cobra.Command{Use: "MZR"}
rootCmd.AddCommand(cmdPrint, cmdEcho)
cmdEcho.AddCommand(cmdTimes)
rootCmd.Execute()
}
