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main.go
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main.go
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package main
import (
"fmt"
"io/ioutil"
"os"
"runtime"
"strings"
"github.com/mattn/go-colorable"
"github.com/mdp/qrterminal/v3"
"rsc.io/qr"
)
var levelFlag string
var quietZoneFlag int
func getLevel(s string) qr.Level {
switch l := strings.ToLower(s); l {
case "l":
return qr.L
case "m":
return qr.M
case "h":
return qr.H
default:
return -1
}
}
func main() {
levelFlag = "l"
quietZoneFlag = 1
level := getLevel(levelFlag)
data, err := ioutil.ReadAll(os.Stdin)
if err != nil {
panic(err)
}
cfg := qrterminal.Config{
Level: level,
Writer: os.Stdout,
QuietZone: quietZoneFlag,
BlackChar: qrterminal.BLACK,
WhiteChar: qrterminal.WHITE,
}
if runtime.GOOS == "windows" {
cfg.Writer = colorable.NewColorableStdout()
cfg.BlackChar = qrterminal.BLACK
cfg.WhiteChar = qrterminal.WHITE
}
qrdata := strings.TrimSpace(string(data))
fmt.Println(qrdata)
qrterminal.GenerateWithConfig(qrdata, cfg)
}