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use warnings;
use strict;
...
for my $command (@commands) {
    print join "\n", (map {"$_ = $command->{$_}"} sort keys %$command)
+, "\n";
}

Option p: value %options{p}
Option u: value %options{u}
...
cmdName = subTargetServer
hostname = host321
ipAddress = 1.1.1.2