PerlIO::excl - Creates a file only if it doesn't exist

	open my $io,  '+<:excl', 'foo.txt';

PerlIO::excl appends 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 :excl layer.

This is a pseudo layer that doesn't be pushed on the layer stack.

PerlIO::Util.

sysopen in perlfunc.

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.