You actually don't need either one.
use constant SECOND => 0;
use constant MINUTE => 1;
use constant HOUR => 2;
use constant DAY => 3;
use constant MONTH => 4;
use constant YEAR => 5;
use constant WEEKDAY => 6;
my @time = localtime(time);
my $string =
$time[WEEKDAY] + 1 . '-' .
$time[MONTH] + 1 . '-' .
$time[DAY] . '_' .
$time[HOUR] . ':' .
$time[MINUTE] . ':' .
$time[SECOND]
;
Or, if you're comfortable with join(), you could replace the last line with:
my $string =
join('-', $time[WEEKDAY] + 1, $time[MONTH] + 1, $time[DAY])
. '_' .
join(':', @time[HOUR, MINUTE, SECOND])
;
But, it's probably better to work with any of the DateTime modules on CPAN. You might want to look at DateTime, which is the up-and-coming set of modules that should do for date/time manipulation/calculation that DBI did for database access.
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