Try this, May this will help

use File::Tail;

sub reading_updated_file
{
    my $path=shift;
    my $count=0;
    my $file=File::Tail->new($path);
    while(defined (my $read=$file->read))
    {
      if($read =~ /string_to_match/)
        { 
          $count++;
           last if $count ==3;
          
        }

    print "here doing rest statements";
    }

    
}
&reading_updated_file("path of file_to tail");

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In reply to Re^4: Watch log for string (tail -f) by bimleshsharma
in thread Watch log for string (tail -f) by hmb104

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