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package Time::Available; |
package Time::Available; |
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use 5.008001; |
use 5.001; |
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use strict; |
use strict; |
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use warnings; |
use warnings; |
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# calc start and stop seconds |
# calc start and stop seconds |
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my ($hh,$mm,$ss) = split(/:/,$self->{ARGS}->{start},3); |
my ($hh,$mm,$ss) = split(/:/,$self->{ARGS}->{start},3); |
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print STDERR "new: start time ",$hh||0,":",$mm||0,":",$ss||0,"\n" if ($debug); |
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my $s = $hh * 3600 || die("need at least hour specified for start time"); |
my $s = $hh * 3600 || die("need at least hour specified for start time"); |
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$s += $mm * 60 if ($mm); |
$s += $mm * 60 if ($mm); |
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$s += $ss if ($ss); |
$s += $ss if ($ss); |
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die("need end time") if (! $self->{ARGS}->{end}); |
die("need end time") if (! $self->{ARGS}->{end}); |
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($hh,$mm,$ss) = split(/:/,$self->{ARGS}->{end},3); |
($hh,$mm,$ss) = split(/:/,$self->{ARGS}->{end},3); |
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print STDERR "new: end time ",$hh||0,":",$mm||0,":",$ss||0,"\n" if ($debug); |
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$s = $hh * 3600 || die("need at least hour specified for end time"); |
$s = $hh * 3600 || die("need at least hour specified for end time"); |
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$s += $mm * 60 if ($mm); |
$s += $mm * 60 if ($mm); |
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$self->{end} = $s; |
$self->{end} = $s; |
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# this sub (originally from Time::Avail) will return if day is applicable |
# this sub (originally from Time::Avail) will return if day is applicable |
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# |
# |
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sub _dayOk($$) { |
sub _dayOk($) { |
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my $self = shift; |
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my $day = shift || return; |
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my( $dayMask, $day ) = @_; # get parameters |
my $dayMask = $self->{dayMask}; |
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my $dayOk = 0; |
my $dayOk = 0; |
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sub uptime { |
sub uptime { |
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my $self = shift; |
my $self = shift; |
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my $time = shift || die "need uptime timestamp to calcualte uptime"; |
my $time = shift || die "need uptime timestamp to calculate uptime"; |
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# calculate offset -- that is number of seconds since midnight |
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my @lt = gmtime($time); |
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# check if day falls into dayMask |
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return 0 if (! $self->_dayOk($lt[6]) ); |
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my $offset = $lt[2]; # hour |
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$offset *= 60; # convert to minutes |
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$offset += $lt[1]; # minutes |
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$offset *= 60; # convert to seconds |
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$offset += $lt[0]; |
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my $s=0; |
my $s=0; |
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my $start = $self->{start}; |
my $start = $self->{start}; |
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my $end = $self->{end}; |
my $end = $self->{end}; |
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print STDERR "start: $start end: $end time: $time\n" if ($debug); |
print STDERR "start: $start end: $end time: $offset [$lt[2]:$lt[1]:$lt[0]]\n" if ($debug); |
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if( ( $end > $start ) && ( $time < $end ) ) { |
if ( $end > $start ) { |
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if ($time < $start) { |
if ($offset < $start) { |
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$s = $end - $start; |
$s = $end - $start; |
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} else { |
} elsif ($offset < $end) { |
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$s = $end - $time; |
$s = $end - $offset; |
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} |
} |
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} elsif( $start > $end ) { # over midnight |
} elsif ( $start > $end ) { # over midnight |
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if ( $time < $end ) { |
if ( $offset < $end ) { |
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if ( $time < $start) { |
if ( $offset < $start) { |
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$s = SEC_PER_DAY - $start + $end - $time; |
$s = SEC_PER_DAY - $start + $end - $offset; |
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} else { |
} else { |
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$s = SEC_PER_DAY - $start + $end; |
$s = SEC_PER_DAY - $start + $end; |
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} |
} |
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} else { |
} else { |
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if ( $time < $start ) { |
if ( $offset < $start ) { |
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$s = SEC_PER_DAY - $start; |
$s = SEC_PER_DAY - $start; |
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} else { |
} else { |
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$s = SEC_PER_DAY - $time; |
$s = SEC_PER_DAY - $offset; |
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} |
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} |
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} |
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return $s; |
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} |
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# |
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# this will return number of seconds that service is available if passed |
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# downtime of service |
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# |
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sub downtime { |
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my $self = shift; |
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my $time = shift || die "need downtime timestamp to calculate uptime"; |
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# calculate offset -- that is number of seconds since midnight |
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my @lt = gmtime($time); |
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# check if day falls into dayMask |
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return 0 if (! $self->_dayOk($lt[6]) ); |
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my $offset = $lt[2]; # hour |
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$offset *= 60; # convert to minutes |
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$offset += $lt[1]; # minutes |
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$offset *= 60; # convert to seconds |
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$offset += $lt[0]; |
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my $s=0; |
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my $start = $self->{start}; |
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my $end = $self->{end}; |
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print STDERR "start: $start end: $end time: $offset [$lt[2]:$lt[1]:$lt[0]]\n" if ($debug); |
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if ( $end > $start ) { |
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if ($offset > $start && $offset <= $end) { |
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$s = $end - $offset; |
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} elsif ($offset < $start) { |
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$s = $end - $start; |
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} |
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} elsif ( $start > $end ) { # over midnight |
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if ( $offset < $end ) { |
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if ( $offset < $start) { |
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$s = $offset; |
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} else { |
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$s = 0; |
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} |
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} else { |
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if ( $offset < $start ) { |
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$s = SEC_PER_DAY - $end; |
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} else { |
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$s = SEC_PER_DAY - $end + $start - $offset; |
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} |
} |
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} |
} |
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} |
} |
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return $out; |
return $out; |
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} |
} |
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# |
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# this function will calculate uptime for some interval |
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# |
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sub interval { |
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my $self = shift; |
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my $from = shift || die "need start time for interval"; |
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my $to = shift || die "need end time for interval"; |
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print STDERR "from:\t$from\t",scalar gmtime($from),"\n" if ($debug); |
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print STDERR "to:\t$to\t",scalar gmtime($to),"\n" if ($debug); |
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my $total = 0; |
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# calc first day availability |
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print STDERR "t:\t$from\t",scalar gmtime($from),"\n" if ($debug); |
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$total += $self->uptime($from); |
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print STDERR "total: $total (first)\n" if ($debug); |
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# add all whole days |
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my $sec_in_day = $self->sec_in_interval; |
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my $day = 86400; # 24*60*60 |
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my $loop_start_time = int($from/$day)*$day + $day; |
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my $loop_end_time = int($to/$day)*$day - $day; |
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print STDERR "loop (start - end): $loop_start_time - $loop_end_time\n" if ($debug); |
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for (my $t = $loop_start_time; $t <= $loop_end_time; $t += $day) { |
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print STDERR "t:\t$t\t",scalar gmtime($t),"\n" if ($debug); |
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$total += $sec_in_day if ($self->day_in_interval($t)); |
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print STDERR "total: $total (loop)\n" if ($debug); |
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} |
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# add rest of last day |
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print STDERR "t:\t$to\t",scalar gmtime($to),"\n" if ($debug); |
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$total -= $self->downtime($to); |
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print STDERR "total: $total (final)\n" if ($debug); |
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return $total; |
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} |
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# |
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# this function will check if day falls into interval |
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# |
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sub day_in_interval { |
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my $self = shift; |
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my $time = shift || die "need timestamp to check if day is in interval"; |
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my @lt = gmtime($time); |
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return $self->_dayOk($lt[6]); |
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} |
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# |
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# return seconds in defined interval |
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# |
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sub sec_in_interval { |
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my $self = shift; |
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# over midnight? |
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if ($self->{start} > $self->{end}) { |
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return(86400 - $self->{start} + $self->{end}); |
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} else { |
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return($self->{end} - $self->{start}); |
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} |
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} |
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1; |
1; |
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__END__ |
__END__ |
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=over 4 |
=over 4 |
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=item * |
=item * |
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Time::Avail::DAY_MONDAY |
Time::Available::DAY_MONDAY |
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=item * |
=item * |
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Time::Avail::DAY_TUESDAY |
Time::Available::DAY_TUESDAY |
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=item * |
=item * |
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Time::Avail::DAY_WEDNESDAY |
Time::Available::DAY_WEDNESDAY |
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=item * |
=item * |
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Time::Avail::DAY_THURSDAY |
Time::Available::DAY_THURSDAY |
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=item * |
=item * |
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Time::Avail::DAY_FRIDAY |
Time::Available::DAY_FRIDAY |
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=item * |
=item * |
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Time::Avail::DAY_SATURDAY |
Time::Available::DAY_SATURDAY |
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=item * |
=item * |
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Time::Avail::DAY_SUNDAY |
Time::Available::DAY_SUNDAY |
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=item * |
=item * |
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Time::Avail::DAY_WEEKDAY |
Time::Available::DAY_WEEKDAY |
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=item * |
=item * |
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Time::Avail::DAY_WEEKEND |
Time::Available::DAY_WEEKEND |
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=item * |
=item * |
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Time::Avail::DAY_EVERYDAY |
Time::Available::DAY_EVERYDAY |
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=back |
=back |
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this module was born. |
this module was born. |
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More information about this module might be found on |
More information about this module might be found on |
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http://www.rot13.org/~dpavlin/perl.html#cpan |
http://www.rot13.org/~dpavlin/projects.html#cpan |
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=head1 AUTHOR |
=head1 AUTHOR |
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