#!/usr/bin/perl
use strict;
use warnings;


# Create test data, change logic a smidge if reading from monster log 
+file
my @LogBuffer =
(
    "Something bad happened with orchestral stuff",
    "at com.orchestral.rhapsody.execution.route.spi.conditions.Connect
+orExecutor.accepts(ConnectorExecutor.java:4)",
    "and I don't know what to do about this execution failure",
    "but execution of orchestral stuff is important",
);


# Convert search strings into regular expressions
my @ParseRegExElements = ();
foreach my $ParseString (@ARGV)
{
    my $RequestedRegEx = quotemeta $ParseString;
    push @ParseRegExElements, $RequestedRegEx;
}


# To check for them only in the order given:
print "\n-----[ Must occur in the order given ]-----\n";
{
    my $ParseRegEx = join '.*', @ParseRegExElements;
    my @LogMatch = grep /$ParseRegEx/, @LogBuffer;

    foreach (@LogMatch)
    {
        print "Match:  [$_]\n";
    }
}


# To check for them in any order:
print "\n-----[ May occur in any order ]-----\n";
{
    my $SearchDirection = (-1);     # If == -1:  Searching @LogBuffer 
+into @LogMatch
                                    # If ==  0:  Searching @LogMatch i
+nto @NewMatch
                                    # If ==  1:  Searching @NewMatch i
+nto @LogMatch
    my @LogMatch = ();
    my @NewMatch = ();

    foreach my $ParseRegEx (@ParseRegExElements)
    {
        if ($SearchDirection == (-1) )
        {
            @LogMatch = grep /$ParseRegEx/, @LogBuffer;
        }
        elsif ($SearchDirection == 0)
        {
            @NewMatch = grep /$ParseRegEx/, @LogMatch;
        }
        elsif ($SearchDirection == 1)
        {
            @LogMatch = grep /$ParseRegEx/, @NewMatch;
        }
        # Toggle Direction
        $SearchDirection = 1 - abs($SearchDirection);
    }

    if ($SearchDirection == 0)
    {
        foreach (@LogMatch)
        {
            print "Match:  [$_]\n";
        }
    }
    else
    {
        foreach (@NewMatch)
        {
            print "Match:  [$_]\n";
        }
    }
}
print "\n-----[ Done]-----\n";

exit;

__END__
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