use Mail::Cclient qw(set_callback);

# Criteria examples
#
#       '12,23,45,16,19 SUBJECT "perl"'
#       'FLAGGED SINCE 1-Feb-1994 NOT FROM "SMITH"'
#       'ALL FROM "hdias" NOT SUBJECT "spam" NOT TEXT "bug"'
#       'OR FROM "hdias" SUBJECT "perl"'
#       'FROM "hdias" NOT FROM "smith" OR SUBJECT "perl" TO "cpan"'
#       'FROM "hdias"'
#       'ANSWERED TO "malcolm"'
#

my $criteria = "ALL FROM \"hdias\"";

# first sort by "from" if two or more messages collate identically 
# in that case sort by "size" in the end sort by subject.

my $sequence = $cclient->sort(
	SORT   => ["from", 0, "size", 1, "subject", 0],
	SEARCH => $criteria);

for(@{$sequence}) {
	print "$_\n";
}


my @array = ("from", 0, "size", 1, "subject", 0);
my $sequence = $cclient->sort(
	SORT   => \@array,
	SEARCH => $criteria,
	FLAG   => "uid");


my $sequence = $cclient->sort(
	SORT   => ["subject", 1],
	SEARCH => $criteria,
	FLAG   => ["uid"]);


my $sequence = $cclient->sort(
	SORT   => ["size", 0, "from", 1, "subject", 0],
	SEARCH => $criteria,
	FLAG   => ["uid", "noprefetch"]);