Hey,
Not sure if I understand the question ... but, this will give you the last modified file.
#!/usr/bin/perl
use Modern::Perl;
use IO::Dir;
my $path = shift;
my $dir = IO::Dir->new($path);
my %files;
for my $file (grep !/^\./, $dir->read) {
$files{$file} = (stat("$path/$file"))[9];
}
my $file = (sort {$files{$a} <=> $files{$b}} keys %files)[0];
say "$file ", scalar localtime($files{$file});
undef $dir;
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