NAME

Time::Crontab - parser for crontab date and time field

SYNOPSIS

    use Time::Crontab;
    my $time_cron = Time::Crontab->new('0 0 1 * *');
    if ( $time_cron->match(time()) ) {
        do_cron_job();
    }

DESCRIPTION

Time::Crontab is a parser for crontab date and time field. And it provides simple matcher.

METHOD

new($crontab:Str): Returns Time::Crontab object. If incorrect crontab string was given, Time::Crontab dies.
match($unix_timestamp:Num): Returns whether or not the given unix timestamp matches the crontab Timestamps are truncated to minute resolution.

SUPPORTED SPECS

  Field name   Allowed values  Allowed special characters
  Minutes      0-59            * / , -
  Hours        0-23            * / , -
  Day of month 1-31            * / , -
  Month        1-12 or JAN-DEC * / , -
  Day of week  0-6 or SUN-SAT  * / , -

Predefined scheduling definitions are not supported. In month and day_of_week fields, Able to use the first three letters of day or month. But does not support range or list of the names.

RELATED MODULES

DateTime::Event::Cron: DateTime::Event::Cron that depends on DateTime. Time::Crontab does not require DateTime or Time::Piece.
Algorithm::Cron: Algorithm::Cron also does not require DateTime. It's provides `next_time` method, Time::Crontab provides `match` method.

LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

AUTHOR

Masahiro Nagano <kazeburo@gmail.com>