update cli interface

args.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+)
+
+type cliOptions struct {
+	telegram bool
+	discord  bool
+	slack    bool
+	version  bool
+	stdin    bool
+	message  string
+}
+
+func processArgs() cliOptions {
+
+	opts := cliOptions{}
+	flag.BoolVar(&opts.telegram, "telegram", false, "Send via telegram")
+	flag.BoolVar(&opts.telegram, "t", false, "Send via telegram")
+	flag.BoolVar(&opts.slack, "slack", false, "Send via slack")
+	flag.BoolVar(&opts.slack, "s", false, "Send via slack")
+	flag.BoolVar(&opts.version, "version", false, "Show version number")
+	flag.BoolVar(&opts.version, "v", false, "Show version number")
+	flag.BoolVar(&opts.stdin, "stdin", false, "Take input from stdin")
+	flag.BoolVar(&opts.stdin, "si", false, "Take input from stdin")
+	flag.StringVar(&opts.message, "message", "", "The message you want to send")
+	flag.StringVar(&opts.message, "m", "", "The message you want to send")
+	flag.Parse()
+
+	return opts
+
+}
+
+func init() {
+	flag.Usage = func() {
+		h := "\nSend data through chat channels. Made by @dubs3c.\n\n"
+
+		h += "Usage:\n"
+		h += "  emissary [channel] [message]\n\n"
+
+		h += "Options:\n"
+		h += "  -s,  --slack        Send via Slack\n"
+		h += "  -t,  --telegram     Send via Telegram\n"
+		h += "  -si, --stdin        Get message from stdin\n"
+		h += "  -m,  --message      Message to send\n"
+		h += "  -v,  --version      Show version\n"
+
+		h += "\nExamples:\n"
+		h += "  emissary -telegram --message \"Hello telegram\"\n"
+		h += "  cat domins.txt | emissary --slack --stdin \n\n"
+
+		fmt.Fprintf(os.Stderr, h)
+	}
+}

main.go

@@ -13,15 +13,6 @@ import (
 	"gopkg.in/ini.v1"
 )
 
-type cliOptions struct {
-	telegram bool
-	discord  bool
-	slack    bool
-	version  bool
-	stdin    bool
-	message  string
-}
-
 func checkResponse(httpResponse *http.Response, err error) {
 	if httpResponse.StatusCode > 201 {
 		body, respErr := ioutil.ReadAll(httpResponse.Body)
@@ -40,18 +31,10 @@ func checkResponse(httpResponse *http.Response, err error) {
 }
 
 func main() {
-	opts := cliOptions{}
-	flag.BoolVar(&opts.telegram, "telegram", false, "Send via telegram")
-	flag.BoolVar(&opts.discord, "discord", false, "Send via discord")
-	flag.BoolVar(&opts.slack, "slack", false, "Send via slack")
-	flag.BoolVar(&opts.version, "v", false, "Show version number")
-	flag.BoolVar(&opts.version, "version", false, "Show version number")
-	flag.BoolVar(&opts.stdin, "stdin", false, "Take input from stdin")
-	flag.StringVar(&opts.message, "message", "", "The message you want to send")
-	flag.Parse()
+	opts := processArgs()
 
 	if opts.version {
-		fmt.Printf("Emissary version: %s\n", "1.0")
+		fmt.Printf("Emissary version: %s\n", VERSION)
 		os.Exit(0)
 	}
 	if len(os.Args) <= 1 {