Initial commit

cmd/O1/main.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+)
+
+func main() {
+	fmt.Println("Opening file...")
+	file, err := os.OpenFile("./input.txt", os.O_RDONLY, 0644)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer file.Close()
+}