PerlIO::excl(3)

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

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

DESCRIPTION
"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.

SEE ALSO
PerlIO::Util.

"sysopen" in perlfunc.

AUTHOR
Goro Fuji (藤 吾郎) <gfuji (at) cpan.org>

LICENSE AND COPYRIGHT
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.