Works for me:
$ mkdir foo bar
$ touch bar/1
$ touch bar/2
$ touch bar/3
$ touch foo/4
$ touch foo/5
$ touch foo/6
$ mkdir -p bar/tze
$ touch bar/tze/7
$ touch bar/tze/8
$ touch bar/tze/9
$ perl -w 651889.pl | sort | uniq -c
1 ./651889.pl
1 ./bar
1 ./bar/1
1 ./bar/2
1 ./bar/3
1 ./bar/tze
1 ./bar/tze/7
1 ./bar/tze/8
1 ./bar/tze/9
1 ./foo
1 ./foo/4
1 ./foo/5
1 ./foo/6
I'd rather use File::Find:
$ perl -wle 'use strict; use File::Find; find(sub { print if -f }, "."
+);'
651889.pl
1
3
2
8
7
9
6
5
4
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