I am trying to get the value and put the value in proper format but it is not happening. 
------------------------------------------------------------------
Port   Speed    Duplex     Flow Ctrl      Link       Name
----   -----   --------  --TX-----RX--   ------     ------
  1    10000     full      no     no      down      1       
  2    10000     full      no     no      down      2       
  3    10000     full      no     no      down      3       
  4    10000     full      no     no      down      4       
  5    10000     full      no     no      down      5       
  6    10000     full      no     no      down      6       
  7    10000     full      no     no      down      7       
  8    10000     full      no     no      down      8       
  9    10000     full      no     no      down      9       
 10    10000     full      no     no      down      10      
 11    10000     full      no     no      down      11      
 12    10000     full      no     no      down      12      
 13    10000     full      no     no      down      13      
 14    10000     full      no     no      down      14      
 15    10000     full      no     no      down      15      
 16    10000     full      no     no      down      16      
 17    1G/10G    full      no     no      down      17      
 18    1G/10G    full      no     no      down      18      
 19     1000     full      no     no       up       19      
 20    10000     full      no     no      down      20

[download]
And my script look like this. 
open FILE,"interfacelink.txt" or die "cannot open file : $!";
#my $substring = "encap:";   #this is useful if search istring is long
while(<FILE>) {
 $line ="$_\n";
 $ind=$line=~ /up/;
 if ($ind){
 #print "$line\n";
  print "port is", $port, "=", substr($line,0,4)."\n";
 print "speed is", $speed, "=", substr($line,7,5)."\n";
 print "link is", $link, "=", substr($line,42,4)."\n";

 }
}

[download]
I am getting the output like this 
port is=Port
speed is=Speed
link is=Link
port is= 19
speed is= 1000
link is= up

[download]
My expecting the output like port is= 19 speed is= 1000 link is= up

In reply to how to put the value in proper format by ulaksh

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