Added version flag

tbotsend.go

@@ -8,14 +8,16 @@ import (
 	"net/url"
 	"os"
 	"path/filepath"
-	"strings"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/spf13/pflag"
 	"gopkg.in/yaml.v2"
 )
 
+var Version = "development"
+
 type Config struct {
 	ChatID  string `yaml:"CHATID"`
 	Token   string `yaml:"TOKEN"`
@@ -23,11 +25,12 @@ type Config struct {
 }
 
 var (
-	configFile string
+	configFile  string
-	chatID     string
+	chatID      string
-	token      string
+	token       string
-	timeout    int
+	timeout     int
-	silent     bool
+	silent      bool
+	versionFlag bool
 )
 
 func init() {
@@ -36,10 +39,17 @@ func init() {
 	pflag.StringVarP(&token, "token", "k", "", "Bot token value")
 	pflag.IntVarP(&timeout, "timeout", "t", 10, "Timeout value (defaults to 10)")
 	pflag.BoolVarP(&silent, "silent", "s", false, "Disable notification")
+	pflag.BoolVarP(&versionFlag, "version", "v", false, "Print version information and exit")
 }
 
 func main() {
 	pflag.Parse()
+
+	if versionFlag {
+		fmt.Printf("tbotsend version %s\n", Version)
+		os.Exit(0)
+	}
+
 	args := pflag.Args()
 	message := strings.Join(args, " ")
 
@@ -183,4 +193,3 @@ func printFailure(msg string) {
 func printSuccess() {
 	fmt.Fprintf(os.Stdout, "\033[1mResult:\033[0m [\033[1;32mSUCCESS\033[0m]\n\n")
 }
-