KMR
wc.map.pl
1 #!/usr/bin/perl
2 
3 # wc.map.pl. Example for KMR shell command pipeline. It is a mapper
4 # for word count.
5 
6 use strict;
7 
8 my $counter;
9 
10 while(<STDIN>) {
11  chomp $_;
12  my @w = split(" ", $_);
13  foreach my $wd (@w) {
14  print $wd, " 1\n";
15  }
16 }