Question

Sorting Hashes

Asked by: trevor1940

Hi
I'm haver a spot of bother reverse sorting a hash

in my out put  i want all the open items first {0}  sorted in decending order by $id (Highest First)
then al the closed itens {C}
thanx

data
id integer
open date
close date
 
conect to database and get data
my %news;
while (my @val = $sth -> fetchrow_array())
  {
    my id=val[0];
    my $open= val[1];
    my $close = val[2];
etc
if ($close eq"")
  {
   $news{O}{$id}={open=>$open};
  }
else
  {
    $news{C}{$id}={open=>$open};
  }
 }
 
out
 
for my $status (reverse sort keys %news)
 {
  for my $id (sort {$b<=> $a} %{news{$status}})
   {
 
    print "id = [$id]\tstatus = $status\topen = $open\n;
   }
 }
 
 
result 
 
[3]  status = [O]\topen = date
[2]  status = [O]\topen = date
[1]  status = [O]\topen = date
[10]  status = [c]\topen = date
[9]  status = [c]\topen = date
[8]  status = [c]\topen = date
...
[26]  status = [c]\topen = date
[25]  status = [O]\topen = date
[24]  status = [O]\topen = date

                                  
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Asked On
2009-10-26 at 08:10:06ID24843782
Topic

Perl Programming Language

Participating Experts
2
Points
500
Comments
3

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Answers

 

by: Adam314Posted on 2009-10-26 at 08:26:41ID: 25663199

The print statement shows that every line should begin with "id = ", but the output you show in results doesn't have this.  Is this output generated some other way?

What is the output from this, if you add it before your line 26:
    print Dumper(\%news);

 

by: ozoPosted on 2009-10-26 at 12:24:31ID: 25665765

did you mean to say
sort {$b<=> $a} keys %{news{$status}}

 

by: trevor1940Posted on 2009-10-28 at 01:21:48ID: 31645923

Thanx
It was a typo

20120131-EE-VQP-002

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