Implemented running executables in memory

src/memfile/Exec_other.go

@@ -0,0 +1,29 @@
+//go:build !linux
+
+package memfile
+
+import (
+	"os"
+	"os/exec"
+)
+
+// Exec executes an in-memory file.
+func Exec(file *os.File) error {
+	err := file.Chmod(0o700)
+
+	if err != nil {
+		return err
+	}
+
+	err = file.Close()
+
+	if err != nil {
+		return err
+	}
+
+	cmd := exec.Command(file.Name())
+	cmd.Stdout = os.Stdout
+	cmd.Stdin = os.Stdin
+	cmd.Stderr = os.Stderr
+	return cmd.Run()
+}