Hi Friends

I want resolve this problem

Example

askives.com/mx340-canon-inkjet.html
directoryen.com/Search/keyword/recycled+cartridges
autopartsaddurl.com/Search/keyword/inkjet%2Bprinter%2Breviews
autopartsaddurl.com/Search/keyword/inkjet+refills
autopartsaddurl.com/Search/keyword/inkjet+printer+refills
autopartsaddurl.com/Search/keyword/empty+inkjet+cartridges
autopartsaddurl.com/Search/keyword/recycled+cartridges
autopartsaddurl.com/Search/keyword/recycled+print+cartridges
bazsites.com/Computers/Hardware/Peripherals/Printers/Supplies/
coukdirectory.com/Search/keyword/inkjet+printer+reviews
askives.com/hp-inkjet-printing-cartridge-recycle.html
clothdirectory.com/Search/keyword/recycled+print+cartridges
clothdirectory.com/Search/keyword/recycled+cartridges
autopartsaddurl.com/Search/keyword/Inkjet+refill+kits
askives.com/bulk-inkjet-ink.html
coukdirectory.com/Search/keyword/recycled+cartridges
askives.com/order-hp-ink-online.html
coukdirectory.com/Search/keyword/Cheap%2BInk%2BCartridges
coukdirectory.com/Search/keyword/inkjet+printer+refills
couklocal.co.uk/Search/keyword/inkjet+printer+refills
couklocal.co.uk/Search/keyword/inkjet+cartridge+refill+kits
couklocal.co.uk/Search/keyword/inkjet+cartridge+refills
askives.com/lexmark-ink-refill-kits.html
askives.com/inkjet-cartridges-canon.html


I have this type of data( i huge list of 20000 urls ) with the different narration

Now I want Remove all Duplicate Domain Based Url only and want keep only one url of each domain with its narration.

Example

askives.com/mx340-canon-inkjet.html
directoryen.com/Search/keyword/recycled+cartridges
autopartsaddurl.com/Search/keyword/inkjet%2Bprinter%2Breviews
bazsites.com/Computers/Hardware/Peripherals/Printers/Supplies/
coukdirectory.com/Search/keyword/inkjet+printer+reviews
clothdirectory.com/Search/keyword/recycled+print+cartridges
couklocal.co.uk/Search/keyword/inkjet+printer+refills


it is possible??
If yes Please give me solution.


Thanks
Mike