todo

util/fb/filepath.go

@@ -0,0 +1,36 @@
+//go:build ignore
+
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+)
+
+func main() {
+	matches, err := filepath.Glob("/sys/class/drm/*/modes")
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(matches)
+	for _, match := range matches {
+		f, err := os.Open(match)
+		if err != nil {
+			panic(err)
+		}
+		r := bufio.NewReader(f)
+		s, err := r.ReadString('\n')
+		if err != nil {
+			switch err {
+			case io.EOF:
+				continue
+			default:
+				panic(err)
+			}
+		}
+		fmt.Print(s)
+	}
+}