If $target is an entire argument, the best method would be to use the multi-argument form of system. 
system('nmap', $target);

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Using the this method, the shell will be bypassed so you don't have to worry about converting the value of $target into a shell literal.

In reply to Re: Add Perl Varibles in system() by ikegami
in thread Add Perl Varibles in system() by ahjohnston25

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