What do you mean by "loading an application into a variable name"? You probably don't mean: 
my $application = "nmap";
my @args        = qw !--stylesheet nmap.xsl!;
while (1) {
    system $application, @arg and die;
}

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In reply to Re: Load external application to variable by JavaFan
in thread Load external application to variable by r1n0

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