Use backticks: 

$run="snmpwalk $host $opt_c ifType.".$thisport;
$type=`$run`;
print "$MAC $type $ifName $vlan $host\n";

[download]

More information at perlfunc:system; in particular, the second paragraph.

HTH

In reply to Re: System() or the like by VSarkiss
in thread System() or the like by PyroX

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