Opening text file validation

Question

So I'm trying to remember how to validate if a text file is real or not. I know to open it it's like
InputFile.open ("xxxx")
If (! "Xxxx")
Cout >> error
Is this right??

Answer 1

All of this is covered in the C++ tutorial check it out to get an answer to this or provide a comment in the lesson if you don't understand.

Answer 2

Thank you. I may have another question soon if I don't figure it out