Ruby program to check a file has writable permission or not

Program/Source Code:

The source code to check a file has writable permission or not is given below. The given program is compiled and executed on Windows 10 Operating System successfully.

# Ruby program to check a file has 
# writable permission or not

result = File.writable?("MyFile.txt");

if (result == true)
  print ("File has writable permission.\n");
else
  print ("File has not writable permission.\n");
end

Output:

File has writable permission.

Explanation:

In the above program, we checked the "MyFile.txt" file has writable permission or not using File.writable?() method and printed appropriate message.