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https://issues.apache.org/jira/browse/PIG-2962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472182#comment-13472182
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Jonathan Coveney commented on PIG-2962:
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Err, I meant "can't you currently register" and now that I think of it I don't 
think you can either. Doesn't pig have an "include" that just straight up 
includes the file?
                
> Make importing UDFs one line via macros
> ---------------------------------------
>
>                 Key: PIG-2962
>                 URL: https://issues.apache.org/jira/browse/PIG-2962
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: 0.11
>            Reporter: Russell Jurney
>            Assignee: Daniel Dai
>            Priority: Minor
>
> Example. This is how you use the AvroStorage UDF in Piggybank:
> register /me/pig/contrib/piggybank/java/piggybank.jar
> register /me/pig/build/ivy/lib/Pig/avro-1.5.3.jar
> register /me/pig/build/ivy/lib/Pig/json-simple-1.1.jar
> define AvroStorage org.apache.pig.piggybank.storage.avro.AvroStorage();
> emails = load '/enron/emails.avro' using AvroStorage();
> That is 5 lines. This should be 2 lines:
> import 'avro.macro'
> emails = load '/enron/emails.avro' using AvroStorage();

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