Re: remove duplicate lines
- From: krahnj@xxxxxxxxx (John W. Krahn)
- Date: Mon, 30 May 2005 07:41:43 -0700
Tielman Koekemoer (TNE) wrote:
Wow, I'm really confused. I'm trying to remove duplicate lines from a marc21 text file. I have spent countless hours searching for scripts etc.
I'm also very new to Perl and wrote a long and newbyish script that does exactly what the Unix command "sort FILENAME | uniq" does just to see how it can be done.
How long? Because you can do that on one line in perl. :-)
perl -e'print sort grep !$seen{$_}++, <>' FILENAMEJohn -- use Perl; program fulfillment .
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