use strict;

my $cmd="netstat >>C:\\perl-program\\test2\\netstat_ouput.txt";
system($cmd);
my $file_name="netstat_ouput.txt";
my $pattern='WXP-DPBG8BS\s*:\s*(\d?\d?\d?\d?\d?)';

open(FH,"$file_name") or die "Could not able to open the file !";

while(<FH>)
{
    my $line=$_;
    #print "$_\n";
    if ($line=~m/$pattern/)
    {
    
        print "$line\n";
        my @list=split $pattern,$line;
        print "Match is found ->!\n";
        
        our @array=split ':',@list;
        foreach my $port(@array)
        {
            print "Port found:$port\n";
            #print "Test\n";
        }
    }
    else
    {
        print "No Match\n";
    }
}
<c>

===========================
netstat_output.txt
===========================<c>
Proto  Local Address          Foreign Address        State
  TCP    WXP-DPBG8BS:1054       localhost:5354         ESTABLISHED
  TCP    WXP-DPBG8BS:1440       localhost:27015        ESTABLISHED
  TCP    WXP-DPBG8BS:1447       localhost:1448         ESTABLISHED
  TCP    WXP-DPBG8BS:1448       localhost:1447         ESTABLISHED
  TCP    WXP-DPBG8BS:5354       localhost:1054         ESTABLISHED
  TCP    WXP-DPBG8BS:27015      localhost:1440         ESTABLISHED

[download]
===================================== Need to have below output but output is not coming. Desired Output:- ===================================== 
port found:3743

port found:3744

port found:3745

port found:3746

..............

[download]
===================================== Can you please help me to fix the code ?

In reply to Extract Port value from netstat file by saikat

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