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