Shell Programming and Scripting

#!perl -w
   use strict; 
    use DateTime;
    use warnings;
    use Spreadsheet::ParseExcel;
    use Time::localtime;
    my $path = "C:\\pro1\\dates.xls";
    my $parser   = Spreadsheet::ParseExcel->new();
    my $workbook = $parser->parse($path);
    my @list;
    my %bdays;
    my %key;
    my $key;
    my $value;
    my @ndate;
     
## for capturing today's date and month for comparision
my $dt = DateTime->now;
# $dt variable is initializes with the current date
my $cday = $dt->day;
my $cyear = $dt->year;
my $cmonth = $dt->month_abbr;

    if ( !defined $workbook ) 
    {
        die $parser->error(), ".\n";
    }
    
    for my $worksheet ( $workbook->worksheets() ) 
    {
        my ( $row_min, $row_max ) = $worksheet->row_range();
        my ( $col_min, $col_max ) = $worksheet->col_range();
        for my $row ( $row_min .. $row_max ) 
        {
            for my $col ( $col_min .. $col_max ) 
            {
                my $cell = $worksheet->get_cell( $row, $col );
                next unless $cell;               
                push(@list,$cell->value());               
                print "\n";
            }
        }
    }

%bdays = @list;
while ( ($key,$value) = each %bdays )
{
    @ndate=split(/-/,$value);  
   if ( $ndate[0] == $cday && $cmonth eq $ndate[1] )
   {
      print "Today is "." $key"."'s"." Birthday","\n";
   }    
}

 #### Now finally we are emptying the hash
  %bdays = ();