Scroll to navigation

Arch::SharedCache(3pm) User Contributed Perl Documentation Arch::SharedCache(3pm)

NAME

Arch::SharedCache - a synchronized data structure (map) for IPC

SYNOPSIS

    use Arch::SharedCache;

    my $cache = Arch::SharedCache->new(
        dir => '/tmp/dir-listings',
        max_size   => 100,
        expiration => 600,  # 10 minutes
    );

    sub ls_long { scalar `ls -l $_[0]` }

    my $user_dir = '/usr/share';
    $cache->store($user_dir => ls_long($user_dir));
    $cache->fetch_store(sub { ls_long($_[0]) }, qw(/tmp /bin /usr/share));
    printf "Cached listing of $user_dir:\n%s", $cache->fetch($user_dir);
    $cache->delete($user_dir);

    # examine /tmp/dir-listings/ after running this script
    # see also synopsys of Arch::SharedIndex

DESCRIPTION

Arch::SharedCache provides an Arch::SharedIndex implementation using a single file per value.

METHODS

The following methods are available:

new.

Other methods are documented in Arch::SharedIndex.

new options
Create a new Arch::SharedCache object. options is a hash of options.
dir
The cache directory used to store data. Will be created if it doesn't exist.
index_file
Name of the index file for the cache. Defaults to " dir/.index".

BUGS

Awaiting for your reports.

AUTHORS

Mikhael Goikhman (migo@homemail.com--Perl-GPL/arch-perl--devel).

Enno Cramer (uebergeek@web.de--2003/arch-perl--devel).

SEE ALSO

For more information, see Arch::SharedIndex.
2005-09-17 perl v5.20.2