i/o to float parsing test with go

io2float.go

package main

import (
	"bufio"
	"bytes"
	"fmt"
	"strconv"
	"strings"
)

func Strcat(str ...string) string {
	var buffer bytes.Buffer
	for _, val := range str {
		buffer.WriteString(val)
	}
	return buffer.String()
}

func main() {
	str := []byte("C=34041\r\n")
	reader := bufio.NewReader(strings.NewReader(string(str)))
	line, _ := reader.ReadString('\n')
	if line[:1] == "C" {
		myf := Strcat(line[2:5], ".", line[5:])
		
		f, err := strconv.ParseFloat(strings.TrimSpace(myf), 64)
		if err != nil {
			fmt.Println(err)
		}
		fmt.Println(f)
	}

}