Two step solution is clever, saves work, here is the other way , direct translation
#my @archivesInFilesystem =
# `find $searchLocation -type f 2> /dev/null
# | grep -v \"\/archive\/archive\/\"`;
use File::Find::Rule qw/ find rule /
my $keepers = sub {
## $_ is like $fullname
## my( $shortname, $path, $fullname ) = @_;
## return !!1 if $fullname =~ m{/archive/archive/}; # keeper
return !!1 if m{/archive/archive/}; # keeper
return !!0; # goner
};;
my @archivesInFilesystem = find(
file =>
exec => $keepers,
in => $searchLocation,
);
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