In my opinion, something like this could work ( dropping the sub, in case you don't need that sub for something else):

my (@fw, @vrf, @vlan, @portchannel);
my @arr_methods = ([ \@fw, &NT::FW], [\@vrf, &NT::VRF], [\@vlan, &NT::
+VLAN], [ \@portchannel, &NT::PORTCHANNEL] );

  foreach (@arr_methods) {
    @{$_->[0]} = ($_->[1])->extract($content, %CFG);
  }

[download]

I haven't tested it, the right hand-side of the assignment may not work, (but it's close), if it doesn't work, maybe one of the higher gurus here can fix it.

Run it and tell us the result

Helen

In reply to Re^5: array or array ref as variable by HelenCr
in thread array or array ref as variable by Hossein

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