The double diamond, a more secure – Mastering PerlWe’ve had the three argument open since Perl 5.6. This allows us to separate the way we want to interact with the file from the filename. There’s a place where we don’t get to choose, but Perl 5.22 might introduce a new operator to handle that. First, I’ll review the issue. The old style of open allows me to conflate the file handle mode and the file name in one string: open FILE, '> some_file'; T
