blazar@q ~/test $ mkdir Old
blazar@q ~/test $ touch Old/foo
blazar@q ~/test $ touch Old/bar
blazar@q ~/test $ ./spiritway.pl
blazar@q ~/test $ ls -R
.:
Old  spiritway.pl

./Old:
bar  foo
blazar@q ~/test $ mkdir New
blazar@q ~/test $ ./spiritway.pl
'./Old/..' and './New/..' are identical (not copied) at ./spiritway.pl line 11
blazar@q ~/test $ ls -R
.:
New  Old  spiritway.pl

./New:

./Old:
bar  foo