\windows\server\locales\en_US\help\whxdata\whftdata0.xml
\windows\server\locales\en_US\help\whxdata\
\windows\server\locales\en_US\help\whxdata\whfwdata0.xml
\windows\server\locales\en_US\help\whxdata\whfwdata1.xml
\windows\server\locales\en_US\help\whxdata\whfwdata2.xml
\windows\server\locales\en_US\help\whxdata2\
<\code>

Here i have to find and list only the directory . In this case line 2&6. i am using 

<code>

if $line =~ /(.*)\\$/{
....