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https://issues.apache.org/jira/browse/SPARK-2315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14079300#comment-14079300
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Erik Erlandson commented on SPARK-2315:
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Updated the PR with a proper lazy-transform implementation:
http://erikerlandson.github.io/blog/2014/07/29/deferring-spark-actions-to-lazy-transforms-with-the-promise-rdd/
> drop, dropRight and dropWhile which take RDD input and return RDD
> -----------------------------------------------------------------
>
> Key: SPARK-2315
> URL: https://issues.apache.org/jira/browse/SPARK-2315
> Project: Spark
> Issue Type: New Feature
> Components: Spark Core
> Reporter: Erik Erlandson
> Labels: features
>
> Last time I loaded in a text file, I found myself wanting to just skip the
> first element as it was a header. I wrote candidate methods drop,
> dropRight and dropWhile to satisfy this kind of need:
> val txt = sc.textFile("text_with_header.txt")
> val data = txt.drop(1)
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