http://manku.thimma.org Tech, Business and Some More ... Sun, 21 Mar 2010 16:46:49 +0000 en hourly 1 http://wordpress.org/?v=3.0 http://manku.thimma.org/2009/04/crazy-shell-scripting/ http://manku.thimma.org/2009/04/crazy-shell-scripting/#comments Tue, 14 Apr 2009 04:36:58 +0000 shashi http://manku.thimma.org/?p=80 Not quite a mapreduce implementation , but nevertheless …

while read l; do echo "SELECT id, email FROM tblName WHERE email='$l' ORDER by id DESC LIMIT 1;"|mysql -u root dbName; done < /tmp/dupes3.txt |grep -v 'email'|cut -f1|sed 's/^\(.*\)$/DELETE FROM tblName WHERE id=\1;/g' > /tmp/deletedupes3.sql


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