PerlIO::excl - Creates a file only if it doesn't exist
open my $io, '+<:excl', 'foo.txt';
O_EXCL to the open flags.
When you'd like to create a file only if it doesn't exist before, you can use the
This is a pseudo layer that doesn't be pushed on the layer stack.
Goro Fuji (藤 吾郎) <gfuji (at) cpan.org>
Copyright (c) 2008, Goro Fuji <gfuji (at) cpan.org>. Some rights reserved.
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.