extract 1 topleveldomain type from huge domain textfile

hi

i have a txt file with a huge domainlist (serveral gb) - how can I extract the domains for a specific toplevel domain, eg all .org domains, to another txt file?

file is like this:

blabl.com
test.org
bleble.com
test2.net

etc.

thanks!
netsltAsked:
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woolmilkporcConnect With a Mentor Commented:
grep ".org *$" inputfile.txt > anotherfile.txt

(only spaces or newline may follow the domain name on its line in the input file).

If there's other stuff following the domain name on a line  you can use "awk":

awk '{E=split($1,A,"."); if(A[E]=="com") print $1}' inputfile.txt > anotherfile.txt
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netsltAuthor Commented:
Thanks!
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