use strict;
use warnings;

my @starting = ();
my @success = ();
my @linetypes = ("Starting", "SUCCESS: Completed");
my $linetypes_re = join("|", @linetypes);

my @lines = getAllLinesFromTheBigLogFile__ILeaveItAsAnExerciseToYouToDoThat();

for my $line (@lines) {
    chomp $line;  # makes life so much easier.
    next unless $line;
    my ($linetype, $module, $year, $month, $day, $hh, $mm) = $line =~ m/^($linetypes_re) (.+$) at (\d{4})-(\d{2})-(\d{2})-(\d{2})(\d{2})\.$/
    my $info = [$module, $year, $month, $day, $hh, $mm];
    if ($linetype eq $linetypes[0]) {
        push @starting, $info;
    } elsif ($linetype eq $linetypes[1]) {
        push @succes, $info;
    }
}