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johnthethird/map-reduce.rb

Created March 19, 2010 16:46
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map-reduce.rb
# Riak / Ripple code to use a regex to find keys
results = Riak::MapReduce.new(client)
.add("my_bucket")
.map("function(value,keyData,arg) {
var re = new RegExp(arg);
return value.key.match(re) ? [value.key] : [];
}", :keep => true, :arg => "^foo").run
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