>>>>> "John" == John Doe <[EMAIL PROTECTED]> writes:
John> Something like (untested):
John> # build hashes with pairs (filename=>0)
John> #
John> my %first=map {$_=>1} find (sub {}, $dir1);
John> my %second=map {$_=>1} find (sub {}, $dir2);
Good thing that "untested" is in there, because find() doesn't return
*anything* at all. At least, nothing useful. The wanted() routine
is where all the action must take place.
Or, you could do almost what you've written using my File::Finder:
my %files;
for my $dir ($dir1, $dir2) {
$files{$dir} = {map { $_ => 1 } File::Finder->type('f')->in($dir)};
}
Or, you could get even trickier, save the next step, and build a
single hash:
my %files;
for my $index (0..1) {
$files{$_} .= $index
for File::Finder->type('f')->in(($dir1, $dir2)[$index]);
}
while (my($file, $where) = each %files) {
print "$file only in $dir1\n" if $where eq "0";
print "$file only in $dir2\n" if $where eq "1";
print "$file in both\n" if $where eq "01";
}
This can easily be extended to multiple directories.
--
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<[email protected]> <URL:http://www.stonehenge.com/merlyn/>
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