Re: [MacPerl] Ordering two lists

[Chris Nandor <pudge@pobox.com>]

At 10:38 +0100 2000.12.07, Giorgio Valoti wrote:
>Hi all!
>I'm banging my head against the wall... I have a list of filenames and
>the relative days-since-last-modification value...
>$dir ="Macintosh HD:Desktop Folder:Download";
>opendir (DIR, $dir)
>	or die "Non posso accedere a DIR: $!";
>
>while (defined(my $nomeFile = readdir (DIR))) {
>	$nomeFile = $dir.":".$nomeFile;
>	$gg = int (-M $nomeFile);
>}
>
>Now, I want to print out a sorted list by days-since-last-modification
>of the filenames. How can I do this?

You could use a hash.

my %hash;
for my $file (readdir DIR) {
	$hash{$dir . ':' . $file} = int -M $file;
}

for my $file (sort { $hash{$a} <=> $hash{$b} } keys %hash) {
	print "$hash{$file} : $file\n";
}

-- 
Chris Nandor                      pudge@pobox.com    http://pudge.net/
Open Source Development Network    pudge@osdn.com     http://osdn.com/

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