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Full Discussion: Remove duplicate records
Top Forums Shell Programming and Scripting Remove duplicate records Post 302399207 by alister on Friday 26th of February 2010 05:08:27 PM
Old 02-26-2010
Quote:
Originally Posted by joeyg
Code:
>cut -d";" -f1,2,4 <scottn.txt | sort | uniq -u | gawk 'IFS=OFS=FS=";"{print $1,$2,".*",$3}' >match.txt
>grep -f match.txt <scottn.txt

Interesting approach. Here's a different take on it:
Code:
sort -t\; -k1,1 -k2,2 -k4,4 scottn.txt | sed 's/[^;]*;/*;/3' | uniq -u > match.txt
grep -f match.txt scottn.txt

Alister
 

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TCRMTTEST(1)							   Tokyo Tyrant 						      TCRMTTEST(1)

NAME
tcrmttest - test cases of the remote database API DESCRIPTION
The command `tcrmttest' is a utility for facility test under multi-thread situation. This command is used in the following format. `host' specifies the host name of the server. `rnum' specifies the number of iterations. tcrmttest write [-port num] [-tnum num] [-nr] [-rnd] [-ext name] host rnum Store records with keys of 8 bytes. They change as `00000001', `00000002'... tcrmttest read [-port num] [-tnum num] [-mul num] host Retrieve all records of the database above. tcrmttest remove [-port num] [-tnum num] host Remove all records of the database above. Options feature the following. -port num : specify the port number. -tnum num : specify the number of running threads. -nr : use the function `tcrdbputnr' instead of `tcrdbput'. -rnd : select keys at random. -ext name : call a script language extension function. -mul num : specify the number of records for the mget command. If the port number is not more than 0, UNIX domain socket is used and the path of the socket file is specified by the host parameter. This command returns 0 on success, another on failure. SEE ALSO
ttserver(1), ttultest(1), ttulmgr(1), tcrtest(1), tcrmgr(1), ttutil(3), tcrdb(3) Man Page 2010-01-20 TCRMTTEST(1)
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