Try 
use strict;
use warnings;
use Date::Calc qw( Delta_Days Today Days_in_Month );
my $cnt = 0;

# work out end of current month
my ($y,$m,$d) = Today();
my $mth_end = sprintf "%04d,%02d,%02d",$y,$m,Days_in_Month($y,$m);

while (<DATA>) {
  my @dates = split '\s+', $_;
  $cnt++;
  # fill empty dates with month end
  my @ymd1 = split ',',$dates[0] //= $mth_end;
  my @ymd2 = split ',',$dates[1] //= $mth_end;
  my $diff = Delta_Days(@ymd1, @ymd2);
  print "$dates[0] $dates[1] $diff \n";  
}

print $cnt, "\n";

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poj

In reply to Re: Trouble with Dates by poj
in thread Trouble with Dates by rruser

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