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courses:mapreduce-tutorial:step-3 [2012/01/26 17:16]
straka 		courses:mapreduce-tutorial:step-3 [2012/01/27 21:01]
straka
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 ===== Example Perl mapper ===== ===== Example Perl mapper =====
  
-<file perl mapper.pl>+<file perl>
 #!/usr/bin/perl #!/usr/bin/perl
  
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 The values ''input_format'', ''output_format'' and ''output_compression'' could be left out, because they are all set to their default value. The values ''input_format'', ''output_format'' and ''output_compression'' could be left out, because they are all set to their default value.
  
-Resulting script can be executed locally (not distributed) using+Resulting script can be executed locally in a single thread using
   perl script.pl run input_directory output_directory   perl script.pl run input_directory output_directory
 All files in input_directory are processes. The output_directory must not exist. All files in input_directory are processes. The output_directory must not exist.

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