Emoji is a simple golang package.

package main
import (
"bytes"
"fmt"
"io"
"os/exec"
)

func main() {
cmd0 := exec.Command("echo", "-n", "my first command")
// Start command
if err := cmd0.Start();  err ! = nil {
fmt.Printf("command can not start %s \n", err)
return
}
// Get the output pipe
stdout0, err := cmd0.StdoutPipe()
if err ! = nil {
fmt.Printf("couldn't stdout pipe for command %s \n", err)
return
}
var outputBuf0 bytes.Buffer
for {
tempOutput := make([]byte, 2048)
n, err := stdout0.Read(tempOutput)
if err ! = nil {
if err == io.EOF {
break
} else {
fmt.Printf("couldn't read data from pip %s \n", err)
return
}
}
if n > 0 {
outputBuf0.Write(tempOutput[:n])
}
}
fmt.Printf("%s\n", outputBuf0.String())
}