Unrecognized escape \D passed through
Unrecognized escape \M passed through
Unrecognized escape \s passed through

##</code><code>##

my $filename_with_path_dos = 'C:\Documents and Settings\My Documents\sample.txt';

##</code><code>##

path is /usr/local/sample.txt
TEST #1
sample
/usr/local/
.txt
File is sample.txt
TEST #2
path is C:\Documents and Settings\My Documents\sample.txt
C:\Documents and Settings\My Documents\sample.txt
./

File is C:\Documents and Settings\My Documents\sample.txt