#!/usr/bin/perl
use strict;
use Spreadsheet::Read;

my $excel = ReadData("TEST.csv");
my $row = 1;
my $url = $excel->[1]{'A'.$row};
while ($url){
  # do something with url
  process($url);
  ++$row;
  $url = $excel->[1]{'A'.$row};
}

sub process {
  my ($url) = @_;
  print "Processing $url\n";
  # selenium code etc
}