This is where I am at...I've been able to write a file with the correct syntax, but how do I actually import that file into crontab itself. i.e. crontab -u <user> <file> Here is what I have done so far... 
my $ct = new Config::Crontab;
my @event;

if ($special eq 'hourly'){

    @event = ( new Config::Crontab::Comment(-data => '## foo' ),
               new Config::Crontab::Event( -datetime => '4 * * * Sun',
                                           -command  => "/usr/bin/perl
+ $bsql::cron_command"));

}
elsif ($special eq 'daily'){

    @event = ( new Config::Crontab::Comment(-data => '## foo' ),
               new Config::Crontab::Event( -minute  => 00,
                                           -hour    => 4,
                                           -command => "/usr/bin/perl 
+$bsql::cron_command"));
}
elsif ($special eq 'weekly'){

    @event = ( new Config::Crontab::Comment(-data => '## foo' ),
               new Config::Crontab::Event( -dow     => 'Sun',
                                           -minute  => 00,
                                           -hour    => 4,
                                           -command => "/usr/bin/perl 
+$bsql::cron_command"));
}
elsif ($special eq 'monthly'){

    @event = ( new Config::Crontab::Comment(-data => '## foo' ),
               new Config::Crontab::Event( -datetime => '0 0 4 1 * *',
                                           -command  => "/usr/bin/perl
+ $bsql::cron_command"));
}

my $block = new Config::Crontab::Block;

## add this block to crontab file
$block->lines(\@event);
$ct->last($block);

## write out crontab file
$ct->write("$bsql::dir/backup/crontab");

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In reply to Getting Config::Crontab to Write File to Crontab Command by dperriero

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