television

commit 71a498f1418ea2ceb1b7946f3da130fc6ff2ca16
parent 2a08a59a089f0d51b1b4d39554ac83e519d3cc23
Author: ugrnm <ultrageranium@bleu255.com>
Date:   Mon, 16 Sep 2024 16:34:05 +0200

port number flag + fmt in place of log

Diffstat:
M
television.go
 | 
20
+++++++++++++++-----

1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/television.go b/television.go
@@ -1,14 +1,21 @@
 package main
 
 import (
+    "flag"
     "os"
-    "log"
+    "fmt"
     "time"
     "net/http"
     "github.com/kbinani/screenshot"
     "github.com/pixiv/go-libjpeg/jpeg"
 )
 
+var(
+    portNum int
+//    strFlag string
+//    boolFlag bool
+)
+
 func snap() {
 
   for {
@@ -30,7 +37,7 @@ func snap() {
 
     os.Rename(fileName, "www/tv.jpg")
 
-    log.Println("screenshot taken")
+    fmt.Printf("screenshot taken\n")
 
     time.Sleep(1000 * time.Millisecond)
 
@@ -39,13 +46,16 @@ func snap() {
 
 func main() {
 
+  flag.IntVar(&portNum, "port", 8888, "http port number")
+  flag.Parse()
+
   go snap()
 
-  log.Println("we're live!")
-  log.Println("ctrl-c for emergency shutdown")
+  fmt.Printf("we're live on port %d!\n", portNum)
+  fmt.Printf("ctrl-c for emergency shutdown\n")
 
   http.Handle("/", http.FileServer(http.Dir("www")))
-  http.ListenAndServe(":8888", nil)
+  http.ListenAndServe(":" + fmt.Sprintf("%d", portNum), nil)
 
 }