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

Copyright (C) Masahiro Nagano.

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