Data commit

Task/Video-display-modes/Go/video-display-modes.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+    "fmt"
+    "log"
+    "os/exec"
+    "time"
+)
+
+func main() {
+    // query supported display modes
+    out, err := exec.Command("xrandr", "-q").Output()
+    if err != nil {
+        log.Fatal(err)
+    }
+    fmt.Println(string(out))
+    time.Sleep(3 * time.Second)
+
+    // change display mode to 1024x768 say (no text output)
+    err = exec.Command("xrandr", "-s", "1024x768").Run()
+    if err != nil {
+        log.Fatal(err)
+    }
+    time.Sleep(3 * time.Second)
+
+    // change it back again to 1366x768 (or whatever is optimal for your system)
+    err = exec.Command("xrandr", "-s", "1366x768").Run()
+    if err != nil {
+        log.Fatal(err)
+    }
+}