sarf13 has asked for the wisdom of the Perl Monks concerning the following question:

Hi All

how can i write a map reduce streaming program in perl. i had gone through the documentation of hadoop.the map reduce coding is possible in python. defiantly there will be a way perl also.can any one give me some example code regarding this

Thanks all

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Re: hadoop mapreduce coding in perl
by AnomalousMonk (Archbishop) on May 26, 2012 at 19:00 UTC

    See List::Util::reduce(). 

    >perl -wMstrict -le
"use List::Util qw(reduce);
 ;;
 use vars qw($a $b);
 my $sum = reduce { $a + $b } 1 .. 100;
 print $sum;
"
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Re: hadoop mapreduce coding in perl
by sauoq (Abbot) on May 26, 2012 at 19:22 UTC
[reply]

      Hi thanks for your reply.i am new in hadoop.can you give me some example script for streaming.i had gone thorugh wordcount mapreduce script come with hadoop package. but i want to write a mapreduce script for data comparision of two diffrent file. can you suggest the possible way.

      thanks

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